Some new details were released recently, from Entertainment Weekly, pertaining to the upcoming 2016 film: X-Men: Apocalypse. Although it isn't slated to come out until May 27th, 2016, Director Bryan Singer leaked a few pieces of info about this movie, mainly that it will be loosely based off the fan favorite story line "Age of Apocalypse."
In Age of Apocalypse, Charles Xavier is dead, by the hands of his own son, Legion, who went back in time to try and kill Magneto. Because of this action, Apocalypse has taken over the world, with villains like Holocaust (Apocalypse's son) and Mr Sinister standing beside him. The X-Men are led by Magneto and his wife Rogue. What AoA did well was shake up the Marvel Universe and help redefine some classic Marvel characters, in an alternate universe.
However, Singer isn't looking to do that, per se:
“[The movie] won’t necessarily create an alternate universe, but there may be some swapping things that I’m playing with,”
Producer/Writer Simon Kinberg adds:
“From a visual standpoint it actually may be a bigger movie than Days of Future Past because there’ll be disaster movie imagery, like the title would imply.”
What fans do know is that X-Men: Apocalypse will follow Charles, Erik, Mystique, and Hank, and all of those actors are already on board for the film from the deals they signed for X-Men: First Class. Singer says there will also be other characters this film will follow as well. He's interested in bringing in familiar characters from different ages and explore the 80s, so there's a good chance fans could see characters like Nightcrawler and Gambit.
Will the upcoming X-Men: Days of Future Past just be one big set-up then? Not exactly, as Singer states here:
“You won’t feel at the end of the movie that it set up Apocalypse. What it does is it sets up possibilities. But what we’ll discover in Apocalypse is that events in this movie made that happen... Apocalypse deals with ancient mutancy. What would humans have thought mutants were? What would mutants think humans were? You’re dealing with gods and things like that. And what if one survived and what if that found its way into our world?”
X-Men: Apocalypse will hit theaters May 27th, 2016; however, X-Men: Days of Future Past will be in theaters on May 23rd, 2014.
Source: Entertainment Weekly