Robert Downey Jr, Chris Hemsworth, Mark Ruffalo, Chris Evans and Chris Pratt reprise their roles as the Marvel superheroes in this action sequel directed by Anthony and Joe Russo. With the future of the universe coming under threat from the powerful Thanos (Josh Brolin), the Avengers and their allies must join together and put their lives on the line as they bid to put a stop to Thanos's evil schemes. The cast also includes Benedict Cumberbatch, Scarlett Johansson, Tom Hiddleston and Chadwick Boseman.