Self-explanatory. One condition: they have to be villains and not heroes or cosmic entities. No Galactus, no Death, no Oblivion, no Stranger.
Example team
Leader - Doctor Doom
Members - Jade Claw, Kro, The Wizard, U-Man, Mole Man, Puppet Master, Egghead, Super-Skrull, Mad Thinker, Plantman, Mysterio, Sandman, Lizard, Mister Hyde, Vanisher, Trapster, Tyrannus, Magneto, Baron Mordo, Chameleon, King Cobra, Whirlwind, Vulture, Krang, Radioactive Man, Awesome Android, Acrobat, Enchanctress, Montana, Fancy Dan, Owl, Unus, Absorbing Man, Glorian, Kaecilius, Atlas, Juggernaut, Jackal, Count Nefaria, Princess Python, Titanium Man, Super-Adaptoid, Ultimo, Locust, Boomerang, Batroc the Leaper, High Evolutionary, Gladiator, Annihilus, Delinquent, Cobalt Man, Ulik, Psycho-Man, Shocker, Blastaar, Magnetron, Wrecker, Tiger Shark, Sauron, Trickshot, Man Mountain Marko, Viper, Petrified Man, Doomsday Man, Turk Barrett, Mercurio, Centurius, Comanche, Diamondback, Mesmero, Asmodeus, Hammerhead, Toad, Madame Masque, Blood Brothers, Basilisk, Zzzax, Baron Zemo, Angar the Screamer, Bulldozer, Silver Samurai, Piledriver, Tarantula, Nitro, Thunderball, Cockroach Hamilton, Moonstone, Rampage, Eric the Red, Jigsaw, Warhawk, Black Tom Cassidy, Steel Serpent, Diamondhead, Ruby Thursday, Lightmaster, Swarm, Graviton, Killer Shrike, Purple Man, Speed Demon, Sphinx, Aqueduct, Doctor Bong, Arnim Zola, Sabretooth, Warrior Woman, Will O' the Wisp, Unicorn, Mystique, Human Fly, Yellowjacket, Schizoid Man, Reavers, U-Foes, Leader, Hammer Harrison, Sebastian Shaw, Cutthroat, Endotherm, Crossfire, Flying Tiger, Taskmaster, Hydro-Man, Zaran, Professor Phobos, Sunturion, Stained Glass Scarlet, Black Cat, Pyro, Steel Wind, Bushman, Selene, Anaconda, Lady Deathstrike, Eel, Gargantua, White Rabbit, Ghost Maker, Hypno-Hustler, Chemistro, Vibro, Kurse, Spot, Armadillo, Crusader, Snapdragon, Tumbler, Madcap, Blank, Sin, Mister Fear, Answer, Scalphunter, Tenpin, Harlequin Hitman, Spiral, Predator, Crossbones, Nuke, Powderkeg, Fasaud, Quantum, Halflife, Slyde, Battleaxe, Rattler, Master Pandemonium, Roughhouse, Bloodscream, Knockout, Snake Whip, Mongoose, Ringer, Ghost, Chance, Deathwatch, Blackheart, Ghaur, Bliss, Headlok, Thumbelina, Blackout, Midnight's Fire, Bloodshed, Blizzard, Omega Red, Shinobi Shaw, Deathtoll, Emplate, Gotteskrieger, Wildpride, Gravemoss, Blood Spider, Impulse, Slab, Gorgeous George, Bevatron, Firefox, Mathemanic, Neurotap, Exodus, 99, Kangaroo, Scorcher, Nuwa, Coldheart, Stunner, Slayback, Asylum, Scorpia, Joystick, Confessor, Unuscione, Sickle, Hammer, Lady Octopus, Sunstreak, Black Box, Icon, Isolaionist, Exterminatrix, Tutinax, Mister Sinister, Black Tarantula, Baroness Blood, The Hood, Carrion, Squid, Mister Knife, Strontian, Azazel, Mister X, Lucia von Bardas, Titannus, Temugin, Ratatoskr, Stardust, Vulcan, Daken, Diablo, Ricadonna, Green Goblin, Starhammer, Blob, Grey Gargoyle, Fixer, Mentallo, Rhino, Scorpion, Living Laser, Fracture, Midas, Klaw, Sasha Hammer, Zeke Stane, Controller, Ragnarok, Underworld, Lady Bullseye, Screwball, Doctor Everything, Blue Streak, Mister Negative, Miss Sinister, Cortex, Blindside, Whiplash, Animax, Mysterion, Mudbug, Tin Man, Minotaur, Electro, Clash, Banyan, Regent, Ultron
