Originally Posted by psylockolussus
I don't think Rebecca Romijn should return. Magneto already abandoned her when she lost her powers and I don't see them working together again even if Magneto also lost his powers. Plus the younger version of Mystique is already in the movie.
I think it would be interesting if they did have RR return to play adult Mystique and we see her get close with Charles again. Would def. make the character come full circle.