
Spymaster was a costumed freelance industrial spy, saboteur, and assassin with advanced weaponry. He was a master of espionage, and died without revealing his true identity, although it is known that he was once a boxer. He and his team of assistants, the Espionage Elite, were hired by the criminal organization the Zodiac to infiltrate Stark Industries and steal all of company owner and genius inventor Tony Stark's secrets. His efforts were stopped by Stark's alter-ego, the armored superhero Iron Man.