Director Pics: Behind-the-Scenes of 'X-Men'

11 View Slideshow ⟶
A still from X-Men: Days Of Future Past has been released to celebrate the end of principal photography on the upcoming mutant saga, featuring Hugh Jackman (as Wolverine), James McAvoy (as Charles Xavier) and Nicholas Hoult (as Beast) sporting their finest '70s duds.

From Hugh Jackman's arrival on set as Wolverine to a first look at Jennifer Lawrence back in her blue body paint as Mystique, click the pics for a behind-the-scenes look at the action-packed flick, set to hit theaters May 23, 2014.