The ultimate X-Men ensemble fights a war for the survival of the species across two time periods in X-MEN: DAYS OF FUTURE PAST. The beloved characters from the original "X-Men" film trilogy join forces with their younger selves from "X-Men: First Class," in an epic battle that must change the past -- to save our future. SUBSCRIBE: bit.ly/X-MenSubscribe Connect with X-Men: Days of Future Past Online: Visit the X-Men WEBSITE: www.x-menmovies.com/ Like X-Men on FACEBOOK: www.facebook.com/xmenmovies Follow X-Men on TWITTER: twitter.com/xmenmovies Follow X-Men on INSTAGRAM: instagram.com/xmenmovies Follow X-Men on TUMBLR: xmenmovies.tumblr.com/ +1 X-Men on GOOGLE PLUS: plus.google.com/+xmenmovies About 20th Century FOX: Official YouTube Channel for 20th Century Fox. Home of Avatar, Aliens, X-Men, Die Hard, Ice Age, Night at the Museum, Rio, Percy Jackson, Maze Runner, Planet of the Apes and many more. Connect with 20th Century FOX Online: Visit the 20th Century FOX WEBSITE: bit.ly/FOXMovie Like 20th Century FOX on FACEBOOK: bit.ly/FOXFacebook Follow 20th Century FOX on TWITTER: bit.ly/TwitterFOX X-Men: Days of Future Past | Official Trailer 2 [HD] | 20th Century FOX www.youtube.com/user/xmenmovies