Red Skull is Captain America's arch enemy since World War II. A master planner and super soldier, he will stop at nothing to rule the world and destroy Captain America and everything Cap holds dear.
A Nazi agent subjected to testing to become a Nazi Super-Soldier. He served as Hitler's right hand man during WWII. After World War II began to build his own criminal empire for World Domination. He was recently reborn in a clone body of Captian America.