Ultron

Ultron is a supervillain appearing in American comic books published by Marvel Comics. Created by writer Roy Thomas and artist John Buscema, the character first made a cameo appearance in The Avengers #54 (1968) as the Crimson Cowl, before being fully introduced in The Avengers #55 (1968) as Ultron-5, the Living Automaton. He has since endured as one of the greatest enemies of the superhero team the Avengers. Ultron is an artificial intelligence created by founding Avenger Hank Pym that gains sentience, develops a god complex, and becomes obsessed with fulfilling his purpose to bring about world peace by causing human extinction.