Thread:Shabook/@comment-27020644-20161114164710/@comment-996391-20161114175031

Stark created the Ultron Program long before he got his hands on the Scepter. When Stark connected the Scepter to his computers, the energy from the Mind Stone connected with the Ultron Program, just as Stark wanted, but the situation got out of hand because the newly created Ultron was much more than Stark expected.