Before revision: Some heroes have more than one archenemy: Spider-Man's biggest rivals include the Green Goblin, Doctor Octopus, and Venom; while the Flash has recurring enemies in the Reverse-Flash (or Professor Zoom) and the Rogues (a group of supervillains comprised of Captain Cold, Captain Boomerang, the Trickster, and others).
After revision: Some heroes have more than one archenemy: Spider-Man's biggest rivals include the Green Goblin, Doctor Octopus, and Venom; while the Flash has recurring enemies in the Reverse-Flash (or Professor Zoom) and the Rogues (a group of supervillains consisting of Captain Cold, Captain Boomerang, the Trickster, and others).