In 2015, J.A.R.V.I.S. is apparently destroyed by Ultron, but it is later revealed that he actually distributed his consciousness throughout the Internet, allowing his security protocols to delay Ultron's attempt to access Earth's nuclear weapon launch codes long enough for Tony Stark to work out what had happened. The Avengers capture a synthetic vibranium body created by Ultron for himself, powered by the Mind Stone, and bring it to Avengers Tower, where Stark and Bruce Banner upload J.A.R.V.I.S. as the core software for the body. After a brief fight with other Avengers, who disagree with this effort, Thor uses Mjolnir's lightning to power its completion, creating the Vision. Thor explains that the gem in his forehead is one of the six Infinity Stones, the most powerful objects in existence. Having gained consciousness, Vision sides with Stark, Banner, Thor, Steve Rogers, Clint Barton, Pietro Maximoff, and Wanda Maximoff against Ultron as he wishes to protect life. He lifts and hands Thor Mjolnir, which has been enchanted so that only "worthy" individuals can lift it, convincing the Avengers that he can be trusted. In Sokovia, Vision fights scores of Ultron's sentries, rescues Maximoff from the collapsing city, and destroys Ultron himself.
