Sinister Six

The Sinister Six is a fictional super-villain team featured in comic books published by Marvel Comics. They are associated with the Spider-Man line of comic titles and first appeared in Amazing Spider-Man Annual #1 in 1964. For a one-time instance in 2005, the group expanded their membership by an additional six members, becoming the Sinister Twelve.

Roster
Original Sinister Six
 * Doctor Octopus, Otto Octavius
 * Electro, Max Dillon
 * Kraven the Hunter, Sergei Kravinof
 * Mysterio, Quentin Beck
 * Sandman, William Baker
 * Vulture, Adrian Toomes

Return of the Sinister Six
 * Doctor Octopus, Otto Octavius
 * Electro, Max Dillon
 * Hobgoblin, Jason Macendale
 * Mysterio, Quentin Beck
 * Shocker, Herman Schultz
 * Vulture, Adrian Toomes

Sinister Six II
 * Electro, Max Dillon
 * Kraven the Hunter, Al Kraven
 * Mysterio, Danny Berkhart
 * Sandman, Flint Marko
 * Vulture, Adrian Toomes
 * Venom, Eddie Brock

Sinister Seven
 * Beetle, Abner Jenkins
 * Electro, Max Dillon
 * Hobgoblin, Jason Macendale
 * Mysterio, Quentin Beck
 * Scorpia, Elaine Coll
 * Shocker, Herman Schultz
 * Vulture, Adrian Toomes

Sinister Twelve
 * Boomerang, Fred Myers
 * Chameleon, Dmitri Smerdyakov
 * Electro, Max Dillon
 * Green Goblin, Norman Osborn
 * Hammerhead, Joseph
 * Hydro-Man, Morris Bench
 * Lizard, Curt Connors
 * Sandman, Flint Marko
 * Shocker, Herman Schultz
 * Tombstone, Lonnie Lincoln
 * Venom, MacDonald Gargan
 * Vulture, Adrian Toomes

All-New Sinister Six
 * 8-Ball
 * Delilah
 * Melter
 * Killer Shrike, Simon Maddicks
 * Squid, Donald Callahan
 * Swarm, Fritz von Meyer