2003 Team Debuts

• 
  Agency X (Earth-616)
• 
  Alpha Flight (Earth-3470)
• 
  Avengers (Earth-3931)
• 
  Avengers (Earth-4321)
• 
  Avengers (Earth-8545)
• 
  Axis Mundi (Earth-3931)

• 
  Brotherhood of Those Who Will Inherit The Earth (Earth-311)

• 
  Celestial Order (Earth-616)
• Celestial Order (Earth-TRN510)
• 
  Cisco Pike Gang (Earth-616)
• 
  Council of Godheads (Earth-4321)
• 
  Crew (Earth-616)

• 
  Defenders (Earth-4321)

• 
  Fantastic Four (Earth-312)
• 
  Fantastic Four (Earth-36)
• 
  Fantastic Four (Earth-42777)
• 
  Fantastic Four (Earth-4321)
• 
  Fatal Force (Earth-9907)
• 
  Freemen (Earth-2120)
• 
  Frightful Four (Earth-36)

• 
  Gaines Twins (Earth-760207)
• 
  Game Players (Earth-616)

• 
  Haazareth Three (Earth-616)
• 
  Heroes for Hire, Inc. (Earth-989192)
• 
  House of Agon (Earth-42777)

• 
  Invaders (Earth-3931)
• 
  Iron Men (Earth-31117)

• 
  New Mutants (Earth-8545)
• Nightmericans (Earth-616)

• 
  Omega Gang (Earth-616)

• 
  Pride (Earth-616)
• 
  Pterodax (Earth-760207)
• 
  Pyre Clan (Earth-2301)

• 
  Runaways (Earth-616)

• 
  S.H.I.E.L.D. Sentinels (Earth-1610)
• 
  Sentinel Force (Earth-2301)
• 
  Shadow Clan (Earth-2301)
• 
  Shadowcat Ninja Clan (Earth-2301)
• 
  Special Agent Arthur Weadon's Team (Earth-982)
• 
  Special Class (Earth-616)
• 
  Spikes (Mutant Gang) (Earth-616)
• 
  Squadron Supreme (Earth-31916)

• 
  Ultimate Six (Earth-1610)
• Underground (Mutant) (Earth-616)

• 
  Vulture-Fliers (Earth-311)

• 
  Witchbreed (Earth-311)

• 
  X-Men (Earth-4321)
• X-Statix: The Movie (Earth-616)

• 
  Zodiac (World Trust) (Earth-616)