Check out the official "Biggest Movie Opening" trailer for Avengers: Infinity War starring Robert Downey Jr., Josh Brolin, Mark Ruffalo, Scarlett Johansson, Tom Hiddleston, Chris Evans, Chris Hemsworth, Jeremy Renner, Chris Pratt, Elizabeth Olsen, and Chadwick Boseman. Release Date: April 27, 2018 Avengers: Infinity War is a 2018 American superhero film based on the Marvel Comics superhero team the Avengers, produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. It is the nineteenth film in the Marvel Cinematic Universe (MCU). It's the sequel to 2012's The Avengers and 2015's Avengers: Age of Ultron, while also picking up plot points from many other MCU movies, most notably Captain America: Civil War, Thor: Ragnarok, Doctor Strange, and the two Guardians of the Galaxy films. The film is directed by Anthony and Joe Russo, written by Christopher Markus and Stephen McFeely, and features an ensemble cast including Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson, Benedict Cumberbatch, Don Cheadle, Tom Holland, Chadwick Boseman, Paul Bettany, Elizabeth Olsen, Anthony Mackie, Sebastian Stan, Danai Gurira, Letitia Wright, Dave Bautista, Zoe Saldana, Josh Brolin, and Chris Pratt. In Avengers: Infinity War, the Avengers and Guardians of the Galaxy attempt to stop Thanos from collecting the Infinity Stones.