What You Need To Know Before You See Infinity War

It all started in 2008, when Nick Fury told Tony Stark about the Avengers Initiative, and ten years after Iron Man hit theaters, Earth's mightiest heroes are set to face their toughest challenge: Thanos the Mad Titan. Directed by Joe and Anthony Russo, Avengers: Infinity War will feature at least 76 characters, be Marvel's longest movie to date, and revolve around six mysterious stones. Well, seven if you count Deadpool's continuity gem. Which they won't. It's a lot to keep track of. So if you need a primer to prepare for history's biggest superhero movie, here's everything you need to know before seeing Avengers: Infinity War...