During the Breakout, he broke out of the Big House and tried to attack Hank Pym. Hank Pym managed to escape from his grasp and escape. Later, he and the Serpent Society battled the Avengers in a subway.
Unfortunately, Hank Pym's pacifist decisions cause the Serpent Society to escape.
Eventually, he was captured by the Skrulls and replaced with an impostor. When Captain America and Madame Hydra led an escape from the Skrull spaceship, he joined them and fought against the Super Skrull.
During the battle in Washington, D.C., King Cobra helped the Avengers against the Skrulls. After the battle, both King Cobra and Madame Hydra were imprisoned by S.H.I.E.L.D.
Powers & Abilities
He has tasers on his wrists, and can shoot missiles from his chest. He can form a metallic tail from his belt which covers his legs.