After freeing him from Riker's Island, Norman returned the favor by attacking Black Cat and Spider-Man with a group he had formed called the Sinister Twelve. They had almost beaten the heroes when Mary Jane contacted SHIELD, who brought in The Fantastic Four, Daredevil, and a handful of Avengers to turn the tide.
Members:
The Green Goblin I
Venom III
Electro
The Vulture
The Sandman
The Lizard
The Shocker
Boomerang
The Chameleon
Hammerhead
Hydro-Man
Tombstone
