He recruited the Maximoff twins, who harbored a grudge against Stark because his technology was responsible for their parents' deaths, and together, they visited the South African shipyard base of arms dealer Ulysses Klaue to obtain vibranium. Escaping with the scepter, Ultron used the resources in Strucker's Sokovia base to upgrade his rudimentary body and build an army of robot drones. The unexpectedly sentient Ultron, believing he must eradicate humanity to save Earth, eliminated J.A.R.V.I.S. and attacked the Avengers during a victory party at their headquarters.

He showed Banner and used the AI to complete Stark's ' Ultron' global defense program. Stark analysed the Scepter and discovered an artificial intelligence within the gem. Two of Strucker's experiments, Pietro and Wanda Maximoff tried to fight the Avengers but Captain America apprehended Strucker, while Stark retrieved the scepter. The team, consisting of Iron Man, Captain America, Thor, Hulk, Black Widow, and Hawkeye, raid the outpost, fighting Chitauri enhanced soldiers and tracking down Wolfgang von Strucker, who had been experimenting with human enhancement. The Avengers tracked Loki's Scepter to a HYDRA Base in Sokovia. 3 Continuity and References to the Marvel Cinematic Universe.

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