*Peter Rasputin was a simple Russian farmer until his mutant power to turn into an adamantium-skinned powerhouse manifested itself. Invited to join Professor X's new X-Men, Colossus bravely fought with them until the death of his sister dissillusioned him. Feeling that Xavier's dream was misguided, Colossus decided to join the Acolytes, disciples of Xavier's arch-enemy Magneto, to continue his search for world peace. *Source: Card back