Whether you’re getting ready to line up for the midnight premiere of Avengers: Age of Ultron or are waiting until the nerd crowds die down before seeing the film, this handy 13 minute rundown of the in-universe history as shown in the various MCU films is the perfect way to get pumped for the return of Iron Man and co. 

Brush up on your knowledge of frost giants, super serums, arc reactors and more AFTER THE JUMP…