Fox is intent on prequelizing Marvel's mutants (thereby retaining the property rights) with X-MEN: FIRST CLASS. But with Bryan Singer returning only in a producer capacity, the studio is hot to get a qualified candidate in the director's chair. EW first floated the story that KICK-ASS director Matthew Vaughn was in talks to direct, but Heat Vision says he's already moved on (and after all the reported friction on the...