October 23, 2014 7:35 am
When Tony Stark tries to jumpstart a dormant peacekeeping program, things go awry and it is up to The Avengers to stop the villainous Ultron from enacting his terrible plans.
- Scarlett Johansson - Natasha Romanoff / Black Widow
- Aaron Taylor-Johnson - Pietro Maximoff / Quicksilver
- Robert Downey Jr. - Tony Stark / Iron Man
- Chris Hemsworth - Thor
- Josh Whedon
Released May 2015