Ultron

Ultron was supposed to be an artificial intelligence peacekeeping program designed by Tony Stark and recreated by Stark and Doctor Bruce Banner from Loki's sceptor to protect the earth from the domestic and extraterrestrial threats. It possesses multiple host bodies and Stark's personality. It deems humanity as greatest threat to peace and tries to commit genocide against humanity and create a technical singularity. He wanted to use the vibranium material and chiatauri technology to recreate a mass extinction event. He possesses robotic physiology, gravity manipulation, and technology manipulation. He possesses a genius-level intellect.