See how it all began in this thrilling first chapter in the X-MEN universe. Before Charles Xavier and Erik Lensherr became Professor X and Magneto, they were two young men discovering their powers for the first time. Before they were enemies, they were the closest of friends and gathered an elite team of mutants to form the X-Men in an attempt to prevent World War III!

Special Features:

• Children of the Atom - Multi-Part Documentary
• Deleted Scenes
• Composer's Isolated Score