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Coldblood and Havok, art by Paul Gulacy
|First appearance||Marvel Comics Presents (1st series) #26 (August 1989)|
|Created by||Doug Moench
|Alter ego||Eric Savin|
|Abilities||Cyborg with artificial body parts
Highly trained fighting skills
Fictional character biography 
While still a Lieutenant Colonel in the United States Army at Camp Killian, Eric Savin was put in charge of Project: Ultra-Tech. There he met the love of his life, Lieutenant Gina Dyson. While on patrol, Savin stepped onto a freshly planted mine which blew him into pieces. He was dead for 2.3 minutes. Gina immediately performed cybernetic surgery on him. The surgery was successful — Savin was alive, but resurrected as a cyborg by Mako's Project: Ultra-Tech. Dyson, his former lover, aided him in battling Mako and his robots, and apparently slew Mako in combat. The "7" in Coldblood's original name was stated to be a mere wordplay on Coldblood's real name "Eric Savin", as his surname is pronounced in the same way.
Coldblood became an urban soldier cyborg, operating as a freelance mercenary. He evaded capture by Mechadoom. Coldblood hunted down and fought the third Deathlok in Paris. He then joined forces with Deathlok and Siege in defeating Harlan Ryker and his cyber-warriors.
Coldblood gave in to his cyborg-form at one point but with the help of Gina was brought back to the human side in him. 
In later missions, Coldblood was hired by Roxxon Oil and had to get a stolen biochemical weapon back from the lab of Dr. Jonathan Cayre. Coldblood gained the help of the original Excalibur team and succeeded in his mission.  Again later, Savin worked together with fellow cyborg Deathlok, Silver Sable and her Wildpack against the villain group ULTIMATUM. 
"Civil War" 
In the 2006-2007 storyline "Civil War", Coldblood was one of the many super-heroes against the Superhuman Registration Act, and was arrested. He is seen being transported to the Pro-Registration super-prison, 42, built within the Negative Zone, but almost immediately suffers a paralyzing, psychotic break apparently due to the sensory warping effects of his new environment and his own anguish. Later, he is seen in the background behind Captain America and others just before the final confrontation after being freed during the exodus created by the resistance. Coldblood then participated during the battle between both sides, and was later referred to being missing in action.
Powers and abilities 
Eric Savin was converted into the cyborg "Coldblood-7" by Dr. Gina Dyson and other Project: Ultra-Tech surgeons following designs by Mako. This gave him superhuman strength, reflexes, speed, stamina, and durability, and enhanced sensory systems including night vision. He can see into the infrared. Coldblood also has the ability to interface with virtually any computer system, and, by mentally entering "cyberspace," to communicate with such systems. He has a wetware-grafted computer grafted to his organic brain, a plasti-steel-reinforced skeleton, an artificial heart, synthetic hemoglobin, and artificial right eye. His legs are clearly cybernetic, while his arms are composed of synthetic skin and muscle over a plasti-steel skeleton. The right half of his face is an armored cybernetic implant. The exact limits of his strength are not known, but he is able to engage effectively in combat with Deathlok; an arguably much more advanced cyborg. His artificial muscles do eventually fatigue, but he can perform at full exertion for many hours without tiring. The organic portions of Coldblood's body still require food, drink, oxygen and sleep; however his artificial blood and organs grant him considerable resistance to diseases and radiation. His in-built computer analyses his sensory input; tracks targets and is capable of seeing through illusions, detecting holograms and so forth. It requires a recharge of electricity every twelve months of active service. The portion of Coldblood's organic brain that acessed his personal memories was removed during surgery that made him into a cyborg.
Coldblood wears body armor and uses conventional firearms, including a .357 automatic gun implanted in his artificial left hand. Mako and Project: Ultra-Tech also specially designed a high speed automobile for him, with built-in guns. It can be either remote controlled by a device in Coldblood's left wrist, or automatically by his in-built computer.
Coldblood is an excellent hand-to-hand combatant, highly trained in commando fighting, and is a superb marksman with conventional firearms.
In other media 
James Badge Dale plays Eric Savin in the 2013 film Iron Man 3. Savin is depicted as being Aldrich Killian's right hand man, having undergone the Extremis treatment to boost his combat skills and giving himself various fire-based powers. Savin steals the Iron Patriot armor from James Rhodes, later donning it in order to board Air Force One and kidnap the President of the United States. Savin abandons the suit after capturing the president and is killed during a fight with Iron Man onboard the plane.
Video games 
- Marvel Comics Presents #26-35
- Marvel Comics Presents #26
- Deathlok Vol. 2 #4
- Deathlok Vol. 2 #18-21
- Marvel Comics Presents #32
- Marvel Comics Presents #32
- Beyond #4
- Civil War #3
- Civil War: Frontline #5
- Mark Millar (w), Steve McNiven (p), Dexter Vines (i). Civil War #6 Marvel Comics.
- Civil War: Battle Damage Report #1
- Fleming, Mike (May 16, 2012). "James Badge Dale In ‘Iron Man 3′ Talks". Deadline.com. Archived from the original on September 3, 2012. Retrieved September 3, 2012.