For those of you wondering...no leather suits. #xmen— Bryan Singer (@BryanSinger) November 15, 2012
The upcoming sequel is written by Simon Kinberg and will follows the comic book storyline that was featured in Uncanny X-Men 141 and 142 back in 1981.
X-Men: Days of Future Past comes to theaters May 23rd, 2014 and stars James McAvoy, Michael Fassbender, Rose Byrne, Jennifer Lawrence, Nicholas Hoult, Patrick Stewart, Ian McKellen, Hugh Jackman. The film is directed by Bryan Singer.