With Baron Wolfgang von Strucker now in the custody of the United States Armed Forces, Stark flew the Avengers away from Sokovia onboard the Quinjet. Along the way, Stark asked Bruce Banner if it was okay for Doctor Helen Cho to set up all of her own equipment in his lab so she could begin the operation to save Clint Barton's life in the wake of his injuries during the battle.
As they came closer to their destination, Stark had put J.A.R.V.I.S. in charge of flying while he spoke with Thor and Captain America about what was to happen with Loki's Scepter now that they had finally recovered it from HYDRA. Stark requested that he be allowed the chance to study the Scepter before Thor returned it to Asgard to be kept safe, which Thor agreed with before they all discussed having a party to celebrate the capture of Baron von Strucker.
Upon arriving at Avengers Tower, Stark was greeted by both Doctor Cho and Maria Hill, with Stark correcting Hill when she called him boss, claiming that Rogers was the boss despite Stark paying for every they did. While the Iron Legion returned to the tower, Stark checked on Barton's condition while Cho used the Cradle to repair his damaged skin tissue, with Stark teasing Barton that he was dying while Barton insisted that he would now live forever.
Continuing his mindset toward protecting humanity while realizing the void that the downfall of S.H.I.E.L.D. created, Stark created an intelligence with the mandate to ensure global peace at any cost. The intelligence, Ultron, who in turn took control on the Ultron Sentries to defend humanity as a sort of makeshift army and allow the Avengers to retire. Seeking to push the Ultron Program forward, Stark recruited Banner by pitching the Program to him and showing him a detailed breakdown of the Mind Stone inside the Scepter, claiming that they could use it's detailed brain waves to give life to Ultron, something they had failed to do in all of their past experiments.
When Banner expressed his doubts about the Ultron Program, Stark argued if they were successful they could finally retire and Banner may not have to worry about facing Veronica. Claiming that with Ultron, the next Chitauri Invasion would never happen again, Stark told Banner that he had a vision of a suit of armor around the Earth, when Banner claimed this sounded like a cold world, Stark said he had seen colder, referring to Wanda Maximoff's vision.
With Banner now onboard, he and Stark spent the next three days before it was returned to Asgard attempted to sync the Mind Stone from the Scepter into the Ultron Program in order to finally give life to Ultron. However, after three days of constant experimentation with the system, Stark and Banner admitted defeat, believing that there was no way for Ultron to be given life. J.A.R.V.I.S. recommended that Stark leave the project and attend to his party guests.
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The Story of Tony Stark/Iron Man (Marvel Cinematic Universe)
ActionThis story tells the entire life of Tony Stark in the Marvel Cinematic Universe and how he became Iron Man and joined the Avengers and became their leader alongside Captain America. My 2nd favourite MCU superhero and Avenger.