Marvel and Fox finally unleashed the NEW trailer for X-Men: Days of Future Past! In related news I just made a mess in my pants! Check it out in all its glory below.

SYNOPSIS: 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.

X-Men: Days of Future Past is slated for release on May 23rd, 2014.