Production Weekly is reporting that Amber Heard from The Informers and Zombieland is in talks to play a young Mystique in Matthew Vaughn's X-Men: First Class. We've also reported in the past that Rosamund Pike was up for the role of Emma Frost, Michael Fassbender may end up playing Magneto, Aaron Johnson has had discussions to take on a unknown role that might be Cyclops, and that James McAvoy has been officially cast as Professor X.
What do you think about Amber Heard taking on the role of Mystique?
Here are some more details on the history of the character Mystique from Marvel.
Little is known about Mystique's past due to the fact that she can eliminate the outward signs of aging with her shape-changing power, and it's not known exactly how old she is. She apparently learned to use her shape-changing power at a very early age, for there is no evidence known to the public or the government that Raven Darkholme ever looked like anything but a normal human being. Years ago Mystique had an affair with Victor Creed and they had a son, Graydon Creed, the recently-assassinated presidential candidate and hater of mutants. Mystique has also claimed to be the mother of Nightcrawler. At some point in recent years Mystique became the protector of the young mutant named Rogue, and looked upon Rogue as if she where her own daughter. While Rogue was under her care, she maintained the false identity of Mallory Brickman, the wife of U.S. Senator Ralph Brickman and her adopted daughter, Gloria, was a result.
[More at Marvel.com]