Deadline is reporting that X-MEN: FIRST CLASS director Matthew Vaughn is not returning to helm the sequel. According to their sources, Vaughn may be in line to direct SECRET SERVICE, based off the Mark Millar comic.
The report also states that X-MEN and X2: X-MEN UNITED director Bryan Singer is at the head of the short list to replace Vaughn. Singer wrote the treatment and helped produced FIRST CLASS. The sequel is based off the classic story "Days of Future Past" by Chris Claremont and John Byrne.
X-MEN: DAYS OF FUTURE PAST is scheduled for a release on July 18, 2014.
