

Action · Adventure · Science Fiction
Where to watch Avengers: Age of Ultron. Stream Avengers: Age of Ultron free in HD on Redflix—no sign-up required.
When Tony Stark tries to jumpstart a dormant peacekeeping program, things go awry and Earth’s Mightiest Heroes are put to the ultimate test as the fate of the planet hangs in the balance. As the villainous Ultron emerges, it is up to The Avengers to stop him from enacting his terrible plans, and soon uneasy alliances and unexpected action pave the way for an epic and unique global adventure.
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James Spader
Ultron (voice)

Samuel L. Jackson
Nick Fury

Don Cheadle
James Rhodes / War Machine

Aaron Taylor-Johnson
Pietro Maximoff / Quicksilver

Elizabeth Olsen
Wanda Maximoff / Scarlet Witch

Paul Bettany
Jarvis / Vision