Production Companies: The Donners' Company , Bad Hat Harry Productions , 20th Century Fox , Marvel Entertainment .
Overview: Before Charles Xavier and Erik Lensherr took the names Professor X and Magneto, they were two young men discovering their powers for the first time. Before they were arch-enemies, they were closest of friends, working together with other mutants (some familiar, some new), to stop the greatest threat the world has ever known.
, Bad Hat Harry Productions 
, 20th Century Fox 
, Marvel Entertainment 
.
