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 16 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 16 Guardians of the Galaxy, Vol. 2 (2017) Runtime: 2 hours and 17 minutes Previous Next Start Slideshow Avengers EndgameCaptain MarvelMarvelMovies