The Marvel Cinematic Universe began in 2008 with Iron Man and now in 2018 it all accumulates with Avengers: Infinity War. Just about every single super hero who has appeared in a MCU film since 2008 is in this thing. That means Captain America, Iron Man, Thor, Hulk, the Guardians Of The Galaxy, Dr. Strange, Ant-Man, Spider-Man, War Machine and all the rest join together to take on Thanos as he arrives on Earth to deliver death and destruction. Avengers: Infinity War arrives in theaters May 4, 2018.