We still have no details about this character, except the rumor about the role that appears to have been created specifically for the movie.
Let us remind you that X-Men: First Class is a prequel to the previous X-Men films and begins filming in London this fall.
It is set when characters Professor Charles Xavier and Erik Lenshaar/Magneto are in their late teens and early twenties.
Platt will join the cast that already includes: James McAvoy as Professor Xavier, Michael Fassbender as Magneto, Nicholas Hoult as Beast, Jennifer Lawrence as Mystique, Caleb Landry Jones as Banshee, Lucas Till as Havoc, Edi Gathegi as Darwin, Jason Flemyng as Azazel and Kevin Bacon as the mysterious villain.
Make sure you stay tuned for more updates!