Revelations packed issue! Discover the identity of the being who caused the mutation of everyone on Earth! Gasp in shock when Reed Richards learns why there are heroes at all! Shriek in surprise as Captain America uncovers the tragic demise of Excalibur! Break out in a cold sweat when you witness the final fate of the Green Goblin! And risk going mad as the Skull stakes his claim to America! (Marvel Memo: EARTH X is currently being spotlighted by a "Special Event "