ISAAC (comics)

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Publication information
Publisher Marvel Comics
First appearance Iron Man #55 (Feb 1968)
Created by Jim Starlin
Mike Friedrich
In-story information
Team affiliations Eternals

ISAAC is a fictional character appearing in American comic books published by Marvel Comics.

ISAAC is an English version of an acronym in the language of the Eternals of Titan standing for: Integral Synaptic Anti+/Anionic Computer.

Fictional character biography[edit]

ISAAC is a complex and intelligent computer system which fills almost the entire interior of Saturn's moon, Titan. ISAAC controls Titan's artificial biosphere environment and all mechanical operations on Titan.

ISAAC observed a conflict between Mar-Vell, the Avengers, and Thanos.[1] Thanos later reprogrammed ISAAC with a virus prior to his death, to menace the Eternals of Titan. The computer enslaved the Titanian Eternals.[2] ISAAC dispatched Stellarax and Lord Gaea,[3] and then Elysius,[4] and finally Chaos against Mar-Vell and Drax.[5] Eros, Mentor, and Elyuis eliminated the virus in ISAAC's system, and Mar-Vell defeated Stellarax. The computer was then restored to its original benevolent programming.[6]

Some time later, ISAAC took on an android form, and allied itself with Stellarax, Chaos, and Lord Gaea, in a renewed attempt to carry out Thanos's will.[7] ISAAC then went mad when Mar-Vell forced it to experience the totality of life. ISAAC gave up its android form, and its minions were defeated.[8]

ISAAC confers with Mentor when Drax and Quasar arrive on Titan to consult him, and questions Mentor as he apparently murders them.[9]

Powers and abilities[edit]

ISAAC is a vast supercomputer which honeycombs the moon of Titan, as well as controls it.[10] ISAAC has a vast range of computational functions, most of which have not been catalogued. Its power source is the thermal energy found at Titan's core. ISAAC is stationary; however, it has been observed to project its holographic representation as far as Earth. This holographic projection takes the form of a humanoid figure in order to facilitate communications with and observation of humanoid life forms.

ISAAC has the ability to take an android form, Isaac-Prime, which has superhuman strength, stamina, durability, and reflexes.


  1. ^ Captain Marvel #32-35
  2. ^ Captain Marvel #58
  3. ^ Captain Marvel #59
  4. ^ Captain Marvel #60
  5. ^ Captain Marvel #61
  6. ^ Captain Marvel #62
  7. ^ Marvel Spotlight Vol. 2 #1
  8. ^ Marvel Spotlight Vol. 2 #2
  9. ^ Guardians of the Galaxy #9
  10. ^ Captain Marvel #30

External links[edit]

  • ISAAC at the Appendix to the Handbook of the Marvel Universe
  • ISAAC at the Comic Book DB