Most of the following teams distribute information and work with the X-Men to deal with superpowered crime.
| Team Name | Location | Scale | Current Roster (leaders underlined, reserve members italicised) |
| Alpha Flight | Canada (3 teams) |
national |
Altantic team - Aurora, Myrmidon, Sasquatch, Skylark |
| Avengers | New York | worldwide |
Captain America VI, Free Spirit, Iron Man IV, Dr Henry Pym, Scarlet Witch, Spiderwoman II, Thor, Triathlon, Vision, Wasp, Warbird, Wonder Man |
| Champions III | Los Angeles | local |
Angel II, Beast I, Ghostcat, Hawkeye, Iceman, Kermit, Living Lightning, Pyramid Lass, Redwing, Tigra |
| Defenders | various | worldwide | Dr Strange, Hellcat, Hulk, Namor the Submariner, Nighthawk, Silver Surfer, Valkyrie II |
| Defenders of India | India | national | Golden Rajput, Iron Tiger, Kalkin, Kapi, Mandala, Rani, Shere Khan, 32 others |
| Fantastic Four | New York | worldwide | Human Torch II, Invisible Woman, Mr Fantastic, Thing |
| Guardians of Liberty | Dallas | national | Golden Eagle, Hulk, Jack Flag, Star-Spangled Patriot, Red Wolf, Texas Twister, Thunderbird III, Wildfire |
| Hayoth | Israel | regional | Colonel Hacohen, Golem, Judith, Ramban, Sabra, unknown others |
| H.E.C. | France | regional | Amazon, Argonaut, Bastion I, Blitzkrieg, Charcoal, Chime, Diesel, Esperita, Fleur-de-Lis, Gladiator II, Streamline |
| London Watch | London | national | Albion, Dr Gold-Wing, Imperial Lion, Mole, Repulse, Swift Swallow, Starline |
| Southern Squadron | Canberra | national | Bushranger, Dingo, Kangaroo, Lieutenant Smith, Nightfighter, Southern Cross II |
| Tiger Squad II | Beijing | national | Earthquake Fist, Gossamer Storm, Luan, Quicksilver II, 38 others |
| Waitangi Rangers | New Zealand | national | Aotea, Captain Kiwi, Choice, Kingfisher, Silver Fern |
| Winter Guard | Moscow | national | Airstrike, Darkstar, Fantasma, Perun, Powersurge, Steel Guardian, Vanguard, Vostok |
| Zen Team | Tokyo | national | Zen Dolphin, Zen Eagle, Zen Frog, Zen Lion, Zen Panther, Zen Rhino |