When Tony Stark and Bruce Banner try to jump-start a dormant peacekeeping program called Ultron, things go horribly wrong and it’s up to Earth’s mightiest heroes to stop the villainous Ultron from enacting his terrible plan.
Stars
Robert Downey Jr.
Chris Evans
Mark Ruffalo
Chris Hemsworth
Scarlett Johansson
Jeremy Renner
James Spader
Samuel L. Jackson
Joss Whedon
