Popsugar Entertainment Avengers Endgame Longest Marvel Movies Wondering Which Marvel Movie Is The Longest? We've Got Your Answer 4 March 2019 by Amanda Prahl View On One Page Photo 20 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 20 Avengers: Infinity War (2018) Runtime: 2 hours and 40 minutes Previous Next Start Slideshow Avengers EndgameCaptain MarvelMarvelMovies