Hammerhead is a member of the Triumvirate of Terror
and their leader, the Mad Thinker
was held prisoner after Hammerhead defeated him in battle. The Mad Thinker devised a scheme to destroy all the Avengers
while their leader, Captain America
was on another assignment. Goliath
and the Wasp
received an SOS signal and followed it to an excavation site where the two Avengers came into conflict with Pile-Driver. The steel gloves of Pile-Driver granted him enhanced strength and he was able to take down both Avengers when he struck them with a steel girder. Scarlet Witch
were defeated by Thunderboot and all five Avengers were strapped to a restraining shaft. Mad Thinker was off his calculations and did not anticipate Hercules
to arrive at the mansion. Hercules engaged his enemies and managed to free his teammates when he smashed the restraining shaft. The Avengers made quick work of Hammerhead and the rest of the Triumvirate of Terror.
Hammerhead was created by Roy Thomas
and Don Heck
in 1967 and first appeared in The Avengers
Powers & Abilities
Hammerhead had an armored helmet that provided him enhanced durability, striking power and resistance to injury. Hammerhead's helmet was strong enough to withstand a blast from Hawkeye's explosi-shaft arrow.