When Tony Stark jump-starts a dormant peacekeeping program, things go terribly awry, forcing him, Thor, Captain America and the rest of the Avengers to reassemble. As the fate of Earth hangs in the balance, the team is put to the ultimate test as they battle Ultron, a technological terror bent on human extinction. Along the way, friendships will be tested and new heroes will join Th Avengers' ranks
Scarlett Johansson
Robert Downey Jr.
Chris Hemsworth
Joss Whedon
Chris Evans
Mark Ruffalo
James Spader
Thomas Kretschmann
Joss Whedon
Kevin Feige
Alan Silvestri
Sam Hargrave
Jeremy Renner
Elizabeth Olsen
Evan Peters
Samuel L. Jackson
Cobie Smulders
Paul Bettany
Andy Serkis
Josh Brolin
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