List of The Avengers: Earth's Mightiest Heroes episodes

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The following is an episode list for The Avengers: Earth's Mightiest Heroes. The series is based on the Marvel Comics superhero team, the Avengers. A 20 part micro-series focusing on each hero's backstory debuted on September 22, 2010 on Disney XD.[1] The series premiered on Disney XD in the United States on October 20, 2010.[2] The second season premiered on April 1, 2012.

Series overview[edit]

Season Episodes Originally aired
First aired Last aired
Micro-series 20 September 22, 2010 (2010-09-22) October 11, 2010 (2010-10-11) (online)
October 15, 2010 (2010-10-15) (United States)
1 26 October 20, 2010 (2010-10-20) April 12, 2011 (2011-04-12) (Australia)
June 26, 2011 (2011-06-26) (United States)
2 26 April 1, 2012 (2012-04-01)[3] June 28, 2012 (2012-06-28) (Australia)
May 5, 2013 (2013-05-05) (United States)[4]


Micro-series (2010)[edit]

A micro-series, consisting of five-and-a-half-minute "micro-episodes" created from footage from season-one episodes, premiered online and on Disney XD on September 22, 2010. Series supervising producer Josh Fine said the goal was to "let us explore the individual members of the team in their own ongoing adventures ... do a lot of character development and set the stage for the rest of the season".[5] The last micro-episode aired online on October 11, 2010 and on Disney XD on October 15, 2010.[6]

No. Title Directed by Written by Original air date Production
1 "Iron Man is Born!" Vinton Heuck Brandon Auman September 22, 2010 (2010-09-22)[7] 001a[6]

Iron Man saves the world's leaders from a HYDRA attack on the United Nations.

Introducing characters: Tony Stark/Iron Man, James Rhodes, Pepper Potts, J.A.R.V.I.S., MODOK, HYDRA, Ultimo
2 "The Coming of the Hulk" Sebastian Montes Kevin Burke & Chris Wyatt September 23, 2010 (2010-09-23) (online)
October 11, 2010 (2010-10-11) (United States)

Bruce Banner confronts the Absorbing Man, causing him to transform into the Incredible Hulk.

Introducing characters: Bruce Banner/Hulk, Thunderbolt Ross, Absorbing Man
3 "The Man in the Ant Hill" Vinton Heuck Christopher Yost September 24, 2010 (2010-09-24) (online)
October 11, 2010 (2010-10-11) (United States)

Ant-Man stops Ulysses Klaw from stealing a rare sample of vibranium.

Introducing characters: Hank Pym, Klaw, Janet van Dyne/Wasp, S.H.I.E.L.D., Ultron
4 "HYDRA Lives" Vinton Heuck Brandon Auman September 25, 2010 (2010-09-25) (online)
October 11, 2010 (2010-10-11) (United States)

HYDRA unleashes the Dreadnoughts against Iron Man.

Introducing characters: Nick Fury, Maria Hill, Dreadnoughts
5 "Thor the Mighty" Vinton Heuck Michael Ryan September 26, 2010 (2010-09-26) (online)
October 12, 2010 (2010-10-12) (United States)

The Mighty Thor stops the Wrecking Crew from stealing Stark Industries technology.

Introducing characters: Thor, Jane Foster, Wrecking Crew (Wrecker, Thunderball, Bulldozer, Piledriver), Heimdall
6 "Behold, the Mandroids!" Vinton Heuck Brandon Auman September 27, 2010 (2010-09-27) (online)
October 12, 2010 (2010-10-12) (United States)
Iron Man stands off against S.H.I.E.L.D.'s Mandroid soldiers.
7 "Hulk Versus the World" Sebastian Montes Kevin Burke & Chris Wyatt September 28, 2010 (2010-09-28) (online)
October 12, 2010 (2010-10-12) (United States)

S.H.I.E.L.D. agents Hawkeye and Black Widow join the battle to take down the Incredible Hulk after General Ross' Hulkbusters were defeated.

Introducing characters: Hawkeye, Black Widow, Hulkbusters
8 "The Siege of Asgard" Vinton Heuck Michael Ryan September 29, 2010 (2010-09-29) (online)
October 12, 2010 (2010-10-12) (United States)

Thor is summoned to defend Asgard from an army of Frost Giants, led by Loki.

Introducing characters: Loki, Sif, Balder, Warriors Three (Fandral, Hogun, Volstagg), Odin, Frost Giants, Ymir, Hugin and Munin
9 "Nick Fury, Agent of S.H.I.E.L.D." Vinton Heuck Brandon Auman September 30, 2010 (2010-09-30) (online)
October 13, 2010 (2010-10-13) (United States)

Nick Fury fights the Grim Reaper when he infiltrates the Vault to free Baron Strucker.

Introducing characters: Jimmy Woo, Grim Reaper, Baron von Strucker, Crimson Dynamo, MODOK, Technovore
010 "This Monster, This Hero" Sebastian Montes Kevin Burke & Chris Wyatt October 1, 2010 (2010-10-01) (online)
October 13, 2010 (2010-10-13) (United States)

Hawkeye and Black Widow take on the Hulk.

Introducing characters: Abomination, Bobbi Morse, Doc Samson, Bi-Beast, U-Foes (Vector, Ironclad, Vapor, X-Ray), Leader, Madman, Radioactive Man
011 "My Brother, My Enemy" Vinton Heuck Michael Ryan October 2, 2010 (2010-10-02) (online)
October 13, 2010 (2010-10-13) (United States)
Thor battles his brother Loki.
012 "The Isle of Silence" Vinton Heuck Michael Ryan October 3, 2010 (2010-10-03) (online)
October 13, 2010 (2010-10-13) (United States)

Loki is banished to the Isle of Silence by Odin where he contemplates the events that lead him there.

Introducing characters: Enchantress, Executioner
013 "Enter the Whirlwind" Vinton Heuck Christopher Yost October 4, 2010 (2010-10-04) (online)
October 14, 2010 (2010-10-14) (United States)

The Wasp puts an end to Whirlwind's rampage.

Introducing characters: Whirlwind

Note the Punisher and Man-Thing are referenced.
014 "Meet Captain America" Sebastian Montes Paul Giacoppo October 5, 2010 (2010-10-05) (online)
October 14, 2010 (2010-10-14) (United States)

Captain America leads an assault on a HYDRA facility.

Introducing characters: Steve Rogers/Captain America, Kang the Conqueror, Red Skull, Bucky Barnes, Abraham Erskine, Chester Phillips, James Howlett, Howling Commandos (Jack Fury, Dum Dum Dugan, Gabe Jones, Rebel Ralston, Dino Manelli, Izzy Cohen, Pinky Pinkerton)
015 "The Red Skull Strikes!" Sebastian Montes Paul Giacoppo October 6, 2010 (2010-10-06) (online)
October 14, 2010 (2010-10-14) (United States)
Captain America and Bucky Barnes come face to face with the Red Skull when he has found a way into Asgard and plans to use the creatures there against the Allied Forces.
016 "If This Be Doomsday!" Sebastian Montes Paul Giacoppo October 7, 2010 (2010-10-07) (online)
October 14, 2010 (2010-10-14) (United States)

HYDRA's scheme to win World War II backfires.

Introducing characters: Ymir
017 "Welcome to Wakanda" Vinton Heuck Christopher Yost October 8, 2010 (2010-10-08) (online)
October 15, 2010 (2010-10-15) (United States)

King T'Chaka is challenged to a duel for control of Wakanda.

Introducing characters: T'Challa/Black Panther, Man-Ape, T'Chaka/Black Panther, N'Gassi, The Dora Milaje (Okoye, Divine Justice, Malice / Nakia)
018 "Lo, There Shall Come a Conqueror" Sebastian Montes Paul Giacoppo October 9, 2010 (2010-10-09) (online)
October 15, 2010 (2010-10-15) (United States)

Kang the Conqueror discovers that his timeline is somehow being destroyed by Captain America.

Introducing characters: Ravonna
019 "Beware the Widow's Bite!" Sebastian Montes Kevin Burke & Chris Wyatt October 10, 2010 (2010-10-10) (online)
October 15, 2010 (2010-10-15) (United States)
Hawkeye becomes suspicious of the Black Widow.
020 "The Big House" Vinton Heuck Christopher Yost October 11, 2010 (2010-10-11) (online)
October 15, 2010 (2010-10-15) (United States)

Ant-Man quells Whirlwind's riot inside the Big House, the world's smallest supervillain prison. S.H.I.E.L.D. learns that Whirlwind is a mutant and plans to have him handed over to the Mutant Response Division. Meanwhile, Whirlwind learns from Mad Thinker that the Big House is one of the four supervillain prisons and that when their systems break down, every villain will take the opportunity to escape.

Introducing characters: Clay Quartermain, Mad Thinker, Grey Gargoyle, Arnim Zola, Mandrill, Graviton

Season 1 (2010–11)[edit]

The first season premiered on October 20, 2010 with the two-part episode "Breakout". This was followed by the episodes "Iron Man is Born", "Thor the Mighty", "Hulk Versus the World", "Meet Captain America", and "The Man in the Ant Hill", which all take place before the two-part episode "Breakout". Footage from these episodes had been used to create a micro-series of five-and-a-half-minute episodes each focusing on one character.[5] The series took a hiatus after "The Kang Dynasty" and returned on May 15, 2011 in the United States. The series aired in the order according to production code in Australia, where the season finale aired first on April 12, 2011. The season finale then aired on June 26, 2011 in the United States. The first half of Season 1 was released in order by production code on home video on April 26, 2011.[8] The second half of Season 1 was released, also in production order, on October 25, 2011.[6]

No. in
No. in
Title Directed by Written by Original air date Production
1 1 "Breakout, Part 1" Sebastian Montes Christopher Yost October 20, 2010 (2010-10-20)[2] 006[6]

A mass breakout occurs at each of the four supervillain prisons.

Introducing characters: A.I.M. (Scientist Supreme), Lucia von Bardas, Zzzax, Blizzard, Constrictor, Griffin, Red Ghost, Super Apes, Living Laser, Whiplash, Chemistro, King Cobra, Wendigo, Purple Man, Baron Zemo
2 2 "Breakout, Part 2" Vinton Heuck Christopher Yost October 20, 2010 (2010-10-20)[2] 007[6]

Ant-Man/Giant-Man, Hulk, Iron Man, Thor and Wasp band together to battle Graviton after he escapes from the Raft and targets Nick Fury.

Introducing characters: LMD

Based on Avengers #1 and New Avengers #1-3.
3 3 "Iron Man is Born" Vinton Heuck Brandon Auman October 24, 2010 (2010-10-24) 001[6]

Iron Man learns that S.H.I.E.L.D. is taking control of his suits.

Introducing characters: Tony Stark/Iron Man, James Rhodes, Pepper Potts, J.A.R.V.I.S., MODOK, HYDRA, Ultimo

A compilation of the micro-series episodes "Iron Man is Born!", "HYDRA Lives", "Behold, the Mandroids!", and "Nick Fury, Agent of S.H.I.E.L.D."
4 4 "Thor the Mighty" Vinton Heuck Michael Ryan October 24, 2010 (2010-10-24) 002[6]

Thor must defeat Loki and the Frost Giants.

A compilation of the micro-series episodes "Thor the Mighty", "The Siege of Asgard", "My Brother, My Enemy", and "The Isle of Silence".
5 5 "Hulk vs the World" Sebastian Montes Kevin Burke & Chris Wyatt October 24, 2010 (2010-10-24) 003[6]

Hulk tries not to get captured while Hawkeye is betrayed by Black Widow.

A compilation of the micro-series episodes "The Coming of the Hulk", "Hulk Versus the World", "This Monster, This Hero", and "Beware the Widow's Bite!".
6 6 "Meet Captain America" Sebastian Montes Paul Giacoppo October 24, 2010 (2010-10-24) 004[6]

Captain America and Bucky have to deal with HYDRA.

A compilation of the micro-series episodes "Meet Captain America", "The Red Skull Strikes!", "If This Be Doomsday!", and "Lo, There Shall Come a Conqueror".
7 7 "The Man in the Ant Hill" Vinton Heuck Christopher Yost October 24, 2010 (2010-10-24) 005[6]

Ant Man and Wasp take down Klaw and Whirlwind.

A compilation of the micro-series episodes "The Man in the Ant Hill", "Enter the Whirlwind", "The Big House", and "Welcome to Wakanda".
8 8 "Some Assembly Required" Sebastian Montes Brandon Auman October 27, 2010 (2010-10-27) 008

Hulk is magically manipulated by the Enchantress to attack his teammates.

Based on Avengers #2 and Avengers Classic #2.
9 9 "Living Legend" Vinton Heuck Kevin Burke & Chris Wyatt November 3, 2010 (2010-11-03) 009

After Captain America's frozen body is discovered in the Arctic, Arnim Zola unleashes Doughboy on New York City to distract the Avengers while Baron Zemo battles Captain America.

Based on Avengers #4.

Introducing characters: Doughboy, Howard Stark
10 10 "Everything is Wonderful" Vinton Heuck Brandon Auman November 10, 2010 (2010-11-10) 010

Enraged by Tony Stark buying out his company, Simon Williams becomes a deadly being of ionic energy, Wonder Man, in order to exact revenge. Meanwhile, Wasp and Thor chase a group of A.I.M. agents to find their secret hideout and run into another villain, MODOK.

Based on Avengers #9.

Introducing characters: Wonder Man
11 11 "Panther's Quest" Sebastian Montes Paul Giacoppo November 17, 2010 (2010-11-17) 011

T'Challa, the new Black Panther, meets the Avengers and tells them that his country has been overthrown by Man-Ape. As the Avengers arrive in Wakanda, not only do they have to help T'Challa reclaim his family's throne and country, but they also have to deal with Klaw, the Grim Reaper, and HYDRA.

Loosely Based on Avengers #52.
12 12 "Gamma World Pt. 1" Vinton Heuck Michael Ryan November 26, 2010 (2010-11-26) 012

The Leader has placed an expanding dome of pure gamma radiation around the Cube, with anyone caught inside it being mutated into a Gamma Monster.

Introducing characters: Madame Hydra
13 13 "Gamma World Pt. 2" Sebastian Montes Michael Ryan November 26, 2010 (2010-11-26) 013
With the Avengers turned into Gamma Monsters, Hawkeye must convince the Hulk to help fight the Leader and the Abomination while Thor (who was unaffected by the Gamma Dome) fights the Absorbing Man.
14 14 "Masters of Evil" Sebastian Montes Christopher Yost December 5, 2010 (2010-12-05) 014

With Wonder Man, Enchantress, Executioner, Crimson Dynamo, and Abomination on his side, Baron Heinrich Zemo leads them as the Masters of Evil in a systematic takedown of the Avengers.

Based on Avengers #274-277.
15 15 "459" Vinton Heuck Joelle Sellner December 12, 2010 (2010-12-12) 015

Wasp and the Avengers meet Captain Marvel and team up with him to stop a Kree Sentry from destroying the planet.

Based on MARVEL Super-Heroes #12-13.[9]

Introducing characters: Captain Marvel, Carol Danvers, Sentry-459, Yon-Rogg, Supreme Intelligence (cameo appearance)
16 16 "Widow's Sting" Vinton Heuck Kevin Burke & Chris Wyatt December 19, 2010 (2010-12-19) 019[10]

Hawkeye, Captain America, Black Panther, and S.H.I.E.L.D. agent Mockingbird take on HYDRA in order to find Black Widow.

Introducing characters: Skrulls, Mockingbird
17 17 "The Man Who Stole Tomorrow" Sebastian Montes Andrew Robinson January 9, 2011 (2011-01-09) 016

Kang the Conqueror comes from the 41st century to destroy Captain America, who Kang believes may soon cause his timeline to cease to exist.

Based on Avengers #8.

Introducing characters: Fantastic Four (Mister Fantastic, Invisible Woman, Human Torch, Thing)
18 18 "Come the Conqueror" Vinton Heuck Eugene Son January 16, 2011 (2011-01-16) 017

The Avengers fend off Kang's invasion of Earth while Iron Man tries to locate Kang's ship.

Introducing characters: Black Knight, Jasper Sitwell
19 19 "The Kang Dynasty" Sebastian Montes Brian Reed January 23, 2011 (2011-01-23) 018

The Avengers attack Kang's ship with the help of the last of the Ultrons.

Introducing characters: H.E.R.B.I.E.
20 20 "The Casket of Ancient Winters" Sebastian Montes Paul Giacoppo April 4, 2011 (2011-04-04) (Australia)[11]
May 15, 2011 (2011-05-15) (United States)[12]

The Avengers must stop Malekith the Accursed after he obtains the Casket of Ancient Winters.

Based on Avengers #249

Introducing characters: Dark Elves (Malekith the Accursed)
21 21 "Hail, HYDRA!" Vinton Heuck Kevin Burke & Chris Wyatt April 5, 2011 (2011-04-05) (Australia)[13]
May 22, 2011 (2011-05-22) (United States)[12]
The Black Widow requests the Avengers' help in retrieving the Cosmic Cube before A.I.M. and HYDRA tear the world apart fighting over it.
22 22 "Ultron-5" Sebastian Montes Brandon Auman April 6, 2011 (2011-04-06) (Australia)[14]
May 29, 2011 (2011-05-29) (United States)[12]

Ant-Man, tired of the unending violence, quits the team while Ultron attempts to bring about peace.

Introducing characters: Serpent Society (Anaconda, Bushmaster (Quincy McIver), Death Adder, Rattler)
23 23 "The Ultron Imperative" Vinton Heuck Brandon Auman April 7, 2011 (2011-04-07) (Australia)[15]
June 5, 2011 (2011-06-05) (United States)[12]
Ultron has transcended his body, and has taken over the world's technology systems.
24 24 "This Hostage Earth" Sebastian Montes Michael Ryan April 8, 2011 (2011-04-08) (Australia)[16]
June 12, 2011 (2011-06-12) (United States)[12]

The Masters of Evil (now joined by Chemistro, the Grey Gargoyle, and the Living Laser) prepare for a full-scale invasion of Earth...and unless the Avengers can stop them, the legions of the Nine Realms are coming to Earth.

Introducing characters: Karnilla
25 25 "The Fall of Asgard" Vinton Heuck Christopher Yost April 11, 2011 (2011-04-11) (Australia)[17]
June 19, 2011 (2011-06-19) (United States)[12]

Lost and separated, the Avengers struggle to survive in the Nine Realms.

Introducing characters: Hela, Ulik, Dwarves (Eitri), Light Elves (Faradei), Valkyrie
26 26 "A Day Unlike Any Other" Sebastian Montes Christopher Yost April 12, 2011 (2011-04-12) (Australia)[18]
June 26, 2011 (2011-06-26) (United States)[12]

The Avengers battle Loki in Asgard as the other realms fall.

Introducing characters: Hoarfen, Midgard Serpent

Season 2 (2012–13)[edit]

Marvel Animation and Disney XD later confirmed a second season of the series.[19][20] The first episode was publicly shown at the 2011 San Diego Comic-Con in June 2011 and again at New York Comic-Con in October 2011 before its television broadcast.[1][2][21]

No. in
No. in
Title Directed by Written by Original air date Production
27 1 "The Private War of Doctor Doom" Gary Hartle Christopher Yost April 1, 2012[3] 027

Doctor Doom's forces attack the Avengers and the Fantastic Four, kidnapping the Wasp and the Invisible Woman.

Based on Avengers #25 and Avengers #154-156.

Introducing characters: Doctor Doom
28 2 "Alone Against A.I.M." Boyd Kirkland Kevin Burke & Chris Wyatt April 8, 2012[22] 028
A.I.M.'s Scientist Supreme unleashes Technovore, providing a distraction for an armorless Tony Stark while the A.I.M. agents fight Black Panther, Captain America, and War Machine in an attempt to steal Stark Industries' technology.
29 3 "Acts of Vengeance" Roy Burdine Michael Ryan[23] April 15, 2012[22] 029

The Enchantress seeks revenge on Baron Zemo and the Masters of Evil for betraying her, and the remaining supervillains go to the Avengers for protection.

Introducing characters: Surtur
30 4 "Welcome to the Kree Empire" Boyd Kirkland Paul Giacoppo April 22, 2012[22] 030

A Kree ship led by Ronan the Accuser arrives and attacks a S.W.O.R.D. ship. While Abigail Brand fights the Kree soldiers in space, the Avengers are assisted by Ms. Marvel in fighting Ronan and an army of Kree soldiers on Earth.

Introducing characters: Ms. Marvel, Ronan the Accuser, Abigail Brand, Henry Peter Gyrich, Sydren, Kalum Lo
31 5 "To Steal an Ant-Man" Roy Burdine Brandon Auman April 29, 2012[22] 031

When Hank Pym's Ant-Man/Giant-Man suit is stolen, he enlists the Heroes for Hire to find the thief, but Pym soon learns that this isn't a common robbery.

Based on MARVEL Premiere #47.

Introducing characters: Luke Cage, Iron Fist, Scott Lang, Cassie Lang, Crossfire, Señor Muerte, Spear, Mangler, Gideon Mace, Cockroach Hamilton, Big Ben Donovan, Piranha Jones, Scythe
32 6 "Michael Korvac" Boyd Kirkland Dan Abnett & Andy Lanning May 6, 2012 032

When a mysterious man known as Michael Korvac is discovered, the Avengers must figure out exactly what happened to him - all while defending him from the team of beings who have come after him: the Guardians of the Galaxy.

Introducing characters: Michael Korvac, Guardians of the Galaxy (Star-Lord, Adam Warlock, Groot, Rocket Raccoon, Quasar), Corrina Korvac

NOTE: This episode was dedicated to Boyd Kirkland, the dedication in the ending credits reading: "In Loving Memory Of Boyd Kirkland Friend, Father, Director, Avenger."
33 7 "Who Do You Trust?" Gary Hartle Brian Reed May 13, 2012 034[24]

Nick Fury returns, having assembled a team of heroes in secret (himself, Black Widow, Mockingbird, and Quake) to gather information about the impending Skrull invasion of Earth.

Introducing characters: Quake, Veranke
34 8 "The Ballad of Beta Ray Bill" Steve Gordon Michael Ryan May 20, 2012 033[24]

Thor is attacked by a powerful creature known as Beta Ray Bill - who proves himself just as able to lift and wield Mjölnir. Thor and Sif soon finds themselves allying with this strange warrior (who apparently has his own reasons for disliking Surtur) to save all of Asgard from being burned to the ground by the demon lord of Muspelheim.

Based on Thor #337-338.

Introducing characters: Beta Ray Bill
35 9 "Nightmare in Red" Boyd Kirkland Mark Parsons May 30, 2012 (2012-05-30) (Australia)[25]
June 24, 2012 (2012-06-24) (United States)[26]

A mysterious red-skinned Hulk attacks the S.H.I.E.L.D. Helicarrier. While Wasp and Captain America fight this new behemoth (who Maria Hill fervently believes is the Hulk gone rogue), Hawkeye attempts to keep a resistant Bruce Banner safe.

Based on Hulk Vol. 2 #1-6.

Introducing characters: Red Hulk, Falcon, Glenn Talbot, Winter Soldier
36 10 "Prisoner of War" Steve Gordon Kevin Burke & Chris Wyatt May 31, 2012 (2012-05-31) (Australia)[25]
July 1, 2012 (2012-07-01) (United States)

After being a prisoner of the Skrulls for months, Captain America teams up with other prisoners, including some of his enemies, to escape. But in order to do so, they must first get past the mighty Super-Skrull...

Introducing characters: Galactus (flashback only), Super-Skrull (Kl'rt)
37 11 "Infiltration" Roy Burdine Christopher Yost June 4, 2012 (2012-06-04) (Australia)[29]
July 8, 2012 (2012-07-08) (United States)

The Skrulls' invasion of Earth has begun - and Wakanda is the first target. Ms. Marvel comes to the rescue, but must deal with both a stubborn Black Panther and a team of Skrulls posing as the Avengers.

Based on Secret Invasion #1-4.
38 12 "Secret Invasion" Boyd Kirkland Christopher Yost June 5, 2012 (2012-06-05) (Australia)[30]
July 15, 2012 (2012-07-15) (United States)

The Skrulls have invaded the entire planet and are using Captain America's position of respect to convince the humans to submit. When Hawkeye, Wasp, and Ms. Marvel are captured by Veranke's army of Super-Skrulls, all seems lost - until Iron Man and Thor are reunited with the real Captain America in a last-ditch effort to drive back the Skrull onslaught and save Earth.

Based on Secret Invasion Vol. 1 #5-8 and Secret Invasion: Fantastic Four #1-3.

Introducing characters: Super-Skrulls (Criti Noll, Rl'nnd)
39 13 "Along Came a Spider..." Roy Burdine Christopher Yost June 6, 2012 (2012-06-06) (Australia)[31]
July 22, 2012 (2012-07-22) (United States)

Captain America teams up with the equally mistrusted Spider-Man to fight the Serpent Society when they try to rescue Viper and King Cobra from S.H.I.E.L.D. custody.

Introducing characters: Spider-Man, J. Jonah Jameson, Robbie Robertson, Betty Brant
40 14 "Behold...The Vision!" Roy Burdine Michael Ryan June 7, 2012 (2012-06-07) (Australia)[32]
July 29, 2012 (2012-07-29) (United States)

With Thor and Hawkeye in tow, Captain America travels to Wakanda to have his shield repaired and to persuade Black Panther to rejoin the team. But a mysterious figure known only as the Vision arrives to steal the shield - along with Wakanda's supply of vibranium.

Based in part on Avengers #57.

Introducing characters: Vision, Professor Thorton, Malcolm Colcord
41 15 "Powerless" Steve Gordon Man of Action & Danielle Wolff June 11, 2012 (2012-06-11) (Australia)[35]
May 5, 2013 (2013-05-05) (United States)
September 25, 2012 (2012-09-25) (DVD release)[36]

The Enchantress offers Loki a chance to exact his revenge on Thor and the Avengers for thwarting his conquest of the Nine Realms, and uses a spell to strip Thor, Captain America, and Iron Man of their powers. Now, the helpless heroes must defeat Loki - his soul now in command of a powerful Asgardian weapon known as the Destroyer - without their abilities.

Introducing characters: Destroyer, Donald Blake

NOTE: This episode was skipped in US airings, but included on the Avengers: Earth's Mightiest Heroes boxed volume Secret Invasion as a bonus episode.[33] Marvel released a clip of the episode, adding that it is "an un-aired episode available exclusively" on the DVD.[34] This episode is part of the regular airing schedule on ABC Australia, and eventually broadcast on Disney XD in the US on May 5, 2013.
42 16 "Assault on 42" Steve Gordon Brian Reed June 12, 2012 (2012-06-12) (Australia)[37]
August 5, 2012 (2012-08-05) (United States)

Stranded in the Negative Zone, the Avengers must join forces with their enemies - including former members of the Masters of Evil - to fight off an army of strange insectoid creatures that are laying siege to 42.

Introducing characters: Annihilus
43 17 "Ultron Unlimited" Roy Burdine Christopher Yost June 13, 2012 (2012-06-13) (Australia)[39]
August 19, 2012 (2012-08-19) (United States)[40]

The Avengers are ambushed and captured, one by one, by Ultron's team of synthezoid Avengers as part of the wayward android's plan to rid the world of "flawed" humans, perfect himself, and construct a mate.

Introducing characters: Jocasta
44 18 "Yellowjacket" Boyd Kirkland Man of Action & James Felder June 14, 2012 (2012-06-14) (Australia)[42]
September 9, 2012 (2012-09-09) (United States)[43]

A mysterious explosion seemingly kills Hank Pym in his college laboratory, but as the Avengers and their friends mourn the loss of their fallen comrade-in-arms, a fearless new vigilante calling himself Yellowjacket - endowed with the same powers and technology as Ant-Man/Giant-Man and Wasp - begins taking out the members of the Serpent Society.

Introducing characters: Yellowjacket

Note: Despite events from the previous episode, Vision can be seen in the background at the memorial.
45 19 "Emperor Stark" Boyd Kirkland Christopher Yost June 18, 2012 (2012-06-18) (Australia)[45]
September 16, 2012 (2012-09-16) (United States)[46]

The Vision awakens after a month of repairs to find that Tony Stark and his fellow Avengers have taken over the world. With the whole planet turned against him, the Vision must get to the bottom of Stark's "utopia" - only to discover an unlikely figure to be the true power behind the Avengers' throne.

Based on the 1987 Marvel graphic novel Emperor Doom (albeit with a different cast).

Introducing characters: Purple Man
46 20 "Code Red" Roy Burdine Man of Action June 19, 2012 (2012-06-19) (Australia)[48]
September 23, 2012 (2012-09-23) (United States)[49]

Strange fumes sicken all of the Avengers - save for Iron Man, whose suit of armor provides him with protection.

Based on Avengers: Red Zone.
47 21 "Winter Soldier" Boyd Kirkland Man of Action & James Felder June 20, 2012 (2012-06-20) (Australia)[51]
September 30, 2012 (2012-09-30) (United States)[52]

Captain America ponders the mystery of the Winter Soldier and enlists Nick Fury's aid to find him when the Red Skull escapes from prison and massive robots - the Sleepers - arise as part of a contingency plan by the founder of HYDRA to destroy Washington, D.C.

Introducing characters: Valentina Allegra de Fontaine (flashback only)
48 22 "The Deadliest Man Alive" Steve Gordon Man of Action June 21, 2012 (2012-06-21) (Australia)[54]
October 7, 2012 (2012-10-07) (United States)[55]
When the Hulk's name is cleared of the crimes committed by the Red Hulk, the Avengers find that the deception put forth by Captain America's Skrull doppelganger has made the green-skinned juggernaut even more of a loose cannon than before.
49 23 "New Avengers" Steve Gordon Christopher Yost June 25, 2012 (2012-06-25) (Australia)[57]
October 14, 2012 (2012-10-14) (United States)[58]

Kang the Conqueror is freed from prison by his alternate timeline doppelgangers and attempts to conquer the world once again, this time trapping the Avengers in a temporal void to keep them from getting in the way of his plans. Now a new team of heroes (Spider-Man, War Machine, Wolverine, Iron Fist, Luke Cage, and the Thing) must band together to stop the cross-temporal onslaught.

Introducing characters: Wolverine, Council of Cross-Time Kangs
50 24 "Operation Galactic Storm" Boyd Kirkland Christopher Yost June 26, 2012 (2012-06-26) (Australia)[60]
October 21, 2012 (2012-10-21) (United States)[61]

The Kree attempt to create a wormhole connecting Earth's solar system with their galaxy, which will consequently destroy the Sun and all life on Earth - just as Kang the Conqueror predicted. The Avengers and Captain Marvel head into space to stop it.

Introducing characters: Peter Corbeau
51 25 "Live Kree or Die" Steve Gordon Christopher Yost June 27, 2012 (2012-06-27) (Australia)[63]
November 4, 2012 (2012-11-04) (United States)[4]

The Avengers arrive on the Kree homeworld of Hala, but find that they aren't exactly welcome there - even with Captain Marvel on their side.

Introducing characters: Supreme Intelligence
52 26 "Avengers Assemble!" Roy Burdine Christopher Yost June 28, 2012 (2012-06-28) (Australia)[65]
November 11, 2012 (2012-11-11) (United States)[4]

The Avengers must bring forth an army of nearly all their allies to face their greatest challenge yet - Galactus, the devourer of countless worlds and civilizations, and his quartet of heralds drawn from the very elements of nature.

Introducing characters: Galactus, Heralds of Galactus (Air-Walker, Firelord, Stardust, Terrax)


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