About
Marvel Comics
Intentions: bad
Real name: Ultron
Other names: Crimson CowlGreat DevilGreat UltronIron ManMarkOmegaUltimate UltronUltron-5 (and hundreds of other sequential numerical designations)Ultron Mark TwelveHo Yinsen
First appearance: Avengers #54 (July, 1968)
Affiliations
Phalanx; formerly Sons of Yinsen, Lethal Legion, Masters of Evil