Tony Stark (Robert Downey Jr.) and Bruce Banner (Mark Ruffalo) used Loki's scepter (i.e. the Mind Stone) to create an evil, highly intelligent robot named Ultron (James Spader). Ultron realizes ...

created Ultron from A.I. code discovered inside Loki's scepter, as a global defense program. However, Ultron believed he must eradicate humanity to save Earth and made his own sentient being ...