Trivia for X-Men: First Class. * Josh Schwartz wrote an early version of the screenplay, but once Bryan Singer became attached, Schwartz's script was ditched as Singer wanted to take the story in a different direction. Jamie Moss was subsequently hired to write a new draft. * Bryan Singer was offered the director's chair but had to turn it down due to his commitment to Jack the Giant Killer (2011). Singer stayed on the project as a producer however. * In April 2006 Zac Penn was hired to write and direct this film; he was going to make a prequel about Magneto, in a vein similar to X-Men Origins: Wolverine (2009). However, the filmmakers decided to shift the focus from the early years of one mutant to those of the X-Men. Penn found this approach more interesting than what he'd come