Avengers: Infinity War is demanding, heartbreaking, exhilarating, massive, and dense. More than seemingly any movie so far in the Marvel Cinematic Universe, it requires its viewer to be intimately acquainted with all the films that come before it - and, if you are, it's rewarding and audacious in ways the franchise has never been before and isn't likely to be again. It's a movie that is not screwing around.

Just as the Marvel Cinematic Universe is gearing up to welcome one new Captain, Chris Evans says that its current one is preparing to lay down his shield for good.