[Trivial Psychic]

If J-Law can't hack the make-up required for the role, then she should be recast. While I agree that one does not just "grow to deal with allergies," I agree that in her line of profession, it comes with the territory, and she should either suck it up or the role should go to someone who could handle it. If it is such a burden to her, then they should move on. Acting is a profession just like everything else, and if there is something that you can't do or are unwilling to for the role, then sorry...next in line please.

Many actors handle extreme make up and costuming situations, and in the superhero film business, having your character off screen or out of costume is one of the quickest ways to cheapen the experience. Peter Weller went through absolute hell in his turns as Robocop, as did Ron Perlman in Hellboy, and Heath Ledger toughed it out and used his own allergies to make-up to enhance his performance as the Joker. In all three of those cases, the actors spend more than 90% of their screen time in these elaborate get ups, which is part of the reason why these characters have been so memorable. It takes a special kind of actor to handle some of those situations. Mystique is a make-up heavy role, and if she can't handle the physical transformation part of it, perhaps they should find someone who does. It's not like her performances would be missed anyways, as I feel hers have been some of the weakest in the X-series of films, especially at 8 to 10 million a pop.