Viper. With the Serpent Squad, he attacked Captain America and the Falcon. He subsequently joined the second Serpent Squad and battled Steve Rogers in his Nomad identity, then he became involved in an attempt to raise the continent of Lemuria up from the ocean. He became trapped with the second Viper and his cowardice earned her enmity. Later, Cobra assisted Hyde in an attempt to acquire Cagliostro's serum. Purple Man then mind-controlled him, and Cobra fought Daredevil in a prison courtyard alongside Hyde, the Jester, and the Gladiator, who were also mind-controlled by the Purple Man. Later, Cobra refused to take Hyde along on a jailbreak, effectively ending their partnership, and Cobra got into a battle with Spider-Man. Hyde then began stalking his former partner and battled both Cobra and Spider-Man. Cobra then joined Sidewinder's crime cartel the Serpent Society. He teamed with Diamondback to locate the Scourge. Later, he went on a mission to poison Washington D.C.'s water supply. He also helped Captain America subdue the Viper. When Sidewinder retired, Cobra became the leader of the Serpent Society. He beat Mister Hyde in personal combat and then assumed a new costume and a new name called King Cobra. He later sentenced Diamondback for treason to the Society. He still leads the Society (complete with a new Sidewinder), though he also teams up with Mister Hyde on occasion. King Cobra was later summoned by Zarrko to fight the Thor Corps. Upon arriving he attacked Dargo Ktor, a future version of Thor, before he tossed him to Tyrus the Terrible. King Cobra was enlisted by Lucia von Bardas, the former prime minister of Latveria, and placed in her secret army of technology-based villains. She sent the army against Wolverine, Spider-Man, Luke Cage, Daredevil, and Captain America, the five heroes Nick Fury had sent to Latveria to stop Lucia's secret criminal funding. When the battle started to turn in favor of the heroes, Lucia turned all the armor of her technology-based villain army into a bomb. Nick's unknown agent Daisy defeated her and the army's lives were saved. King Cobra escaped the heroes during the resulting battle between Nick Fury and Wolverine. After passing of the Superhuman Registration Act in the Civil War storyline, King Cobra was forced to join the Thunderbolts and be trained by the Swordsman, along with Ox and Unicorn. In spite of this, King Cobra, Mister Hyde, Firebrand