"Fans at last saw Spider-Man introduced into the Marvel Cinematic Universe with Captain America: Civil War, but it will be a long, long time before they witness the X-Men do the same. Until then, they can watch this epic fan trailer, which pits Marvel’s mutants against Earth’s Mightiest Heroes, over and over and over again."
Friday, May 20, 2016
Avengers and X-Men wage war in action-packed fan trailer; Comic Book Resources, 5/20/16
Kevin Melrose, Comic Book Resources; Avengers and X-Men wage war in action-packed fan trailer: