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 17 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 17 Avengers: Age of Ultron (2015) Runtime: 2 hours and 21 minutes Previous Next Start Slideshow Avengers EndgameCaptain MarvelMarvelMovies