
Avengers: Age of Ultron is finally arriving in theaters, making it the eleventh film in the Marvel Cinematic Universe (which, scientists have confirmed, is continuing to expand faster than we can accurately measure). And unlike some of the other big franchises out there, the Marvel movies are deeply interconnected—walking into Age of Ultron without a working knowledge of the ten installments that preceded it would be like drinking an entire keg of beer without any food in your stomach: still kinda fun, but almost certainly fatal. Fortunately, as a lifeline for the stragglers out there, we’ve condensed the entire MCU into just 40 GIFs so that you can confidently spend this beautiful spring weekend inside a multiplex with the rest of your friends. Here we go: