*Grabbing the mystical ruby gem of Cyttorak, Cain Marko, half brother of Professor Charles Xavier, was transformed into the unstoppable Juggernaut. Motivated by greed, Juggernaut has used his invulnerability and almost unlimited strength to become a world-famous super-villain. Now his best friend, Black Tom, is deathly ill and for the first time, Juggernaut must use his awesome power to help someone else. *Source: Card back