"There’s definitely a sort of overall plan that we’ve all been talking about for the X-Men universe now,” Kinberg explained, “and Deadpool obviously fits into that. So yeah, I guess I would say it’s part of certainly an overall timeline and thought process that goes into these films, some of which is inspired by the comics and some which is inspired by seeing what Marvel’s done with telling a larger tapestry and linking all those movies together, even as they stand independently as well. The same kind of thought is going to go into these X-Men movies at Fox."Deadpool made his first appearance in New Mutants #98 way back in the early 1990s. He was created by artist Rob Liefeld and writer Fabian Nicieza. Deadpool is a mutant with a Wolverine-level healing factor, but his healing factor also gives his cancer the ability to re-grow. Thus, he is always in pain, and his visage is scarred and pocked. Oh, and Deadpool (real name: Wade Wilson), is certifiably insane. Ryan Reynolds played Wade Wilson/Deadpool in the Wolverine: Origins film, but word is that the events of the last X-Men movie (which altered X-Men history), have wiped out that particular storyline. Many Deadpool fans were horrified at the way 'Pool was portrayed in that film, though they liked the aspect that Ryan Reynolds (who also played Green Lantern in that DC Entertainment movie), brought to the character. Fans of Deadpool have been very vocal that their favorite Merc with a Mouth should get his own film. Deadpool has a release date of February 12, 2016.
In an interview with Comicbook.com, X-Men: Days of Future Past creator Simon Kinberg confirmed the new, much talked-about Deadpool movie, will be housed inside a shared universe with the X-Men movie franchise. According to Kinberg: