With "The Wolverine 3" and a "Gambit (2017)" solo film on the docket, Bryan believes it's the right time for a Mystique feature, reported Ace Showbiz.
"People have asked if I'd do a stand-alone movie about Mystique. I think she's right... She has that view of the world," Singer said.
Lawrence's three-picture deal with Fox expires with "X-Men: Apocalypse" and so do James McAvoy and Michael Fassbender's contracts.
However, the actress recently expressed her interest to return to the franchise.