Deadline.com is reporting that Bryan Singer has been tabbed to produce X-Men: First Class. Originally it was rumored that Singer would direct the next 'X-Men' film but a scheduling conflict won't allow him to do that. Singer signed on to direct Jack the Giant Killer for Warner Bros, so now he must slide over to producing X-Men: First Class instead of directing. There has been no word yet on who Fox will chose to direct the film. Singer will join Lauren Shuler Donner and Simon Kinberg as pro...