Bryan Singer tweeted an image of himself with Simon Kinberg and writers Mike Dougherty and Dan Harris for X-Men: Apocalypse.
Both Dougherty and Harris wrote X2 for Singer back in 2003 as well as Superman Returns.
Singer added the following with the image:
Late night #XMen #Apocalypse story session. #SimonKinberg @DanimalHarris @Mike_Dougherty It's snowing in Egypt!
Simon Kinberg was also recently named to be behind X-Men and Fantasic Four movie universes for Fox in addition to writing X-Men: Days Of Future Past.
X-Men: Apocalypse has a May 26, 2016 release.