2), Zzzax is a humanoid creature formed from electricity by an act of sabotage at a Con Ed nuclear power plant in New York City.

A group of terrorists destroying the dynamos started a chain reaction that caused a rapid buildup of energy, which takes on a life of its own, absorbing the minds of them and several engineers.

[4] Zzzax returns to confront an intelligent version of the monster possessing the mind of Bruce Banner, but is quickly defeated.

[6] In the title West Coast Avengers, Zzzax teams with fundamental force villains Graviton, Quantum, and Halflife, but is again short-circuited by Hawkeye.

General Thunderbolt Ross arranges for his mind to be transferred into Zzzax's body and battles a new version of the Hulk, whose alter-ego is Rick Jones.

[9] Zzzax battles Iron Man in the title Marvel Comics Presents[10] and Cable in the hero's self-titled series.

[11] The entity reappears in the title New Avengers and participates in the mass escape by supervillains from the holding facility the Raft.

[18] Zzzax appears in Heroes United: Iron Man & Hulk, voiced by Dee Bradley Baker.