ultron first appearance the avengers #54

Ultron holds his own against the entire team, until the heroes caused his storage vats of liquid adamantium to cascade over him, instantly hardening and rendering him totally immobile. Ultron was created by Roy ... and assembling several heroes and villains to stop Ultron. He was able possess Arsenal due to a backdoor left open in the robot's programming. Ultron possessed the body of Arsenal after the Avengers defeated Thanos. Appearances: First Marvel: Avengers Alliance Appearance: Special Operations - Ghost in the Machine: Mission 3 - A Wrinkle in Time (Dialogue) First Comic Appearance: Avengers #55 (August 1968) A reflection of the post-World War II boom in scientific discovery, Ant-Man is one of the earlier Marvel stories to depict the dangers (and wonders) of self-experimentation. He is a major antagonist of Season 2 and the main antagonist of Season 3: Ultron Revolution. First appearance. Hoping to control it, Hank Pym gave the anomaly a body and a name: Ultron.

Ultron is surprised, however, first by the appearance of the Wasp, who had been hidden in Wanda's glove, then by Iron Man, who recovered his free will and attacked. First appearance: Tales to Astonish #27 (January 1962) While Scott Lang first appeared in Avengers #181 (May 1979), the Ant-Man mantle debuted in Tales to Astonish #27 (January 1962). Ultron holds his own against the entire team, until the heroes caused his storage vats of liquid adamantium to cascade over him, instantly hardening and rendering him totally immobile. It rebelled against Pym, using its new capabilities to attempt world domination. First appearance.

Ultron is an evil self-aware artificial intelligence and an enemy of Ant-Man, Wasp, and the Avengers.

Ultron is surprised, however, first by the appearance of the Wasp, who had been hidden in Wanda's glove, then by Iron Man, who recovered his free will and attacked. Ultron was created by Roy ... and assembling several heroes and villains to stop Ultron.