I Group

o I' Spyder (1776) Seven Soldiers - Amerika
o I-Man (1644)
o Ian McNee (2693)
o Iberia Inc. (1439) - Spanyol
o Icarus (1983) Xavier Institute: Hellions squad, Xavier Institute: New Mutants Squad -
o Ice (487) Justice League dan Global Guardians.
o Iceman (2475) X-Men, Champions, Defenders, Spider-Man and His Amazing Friends, X-Factor, The Twelve, dan Secret Defenders – Amerika.
o IceVision (1689)
o Iggy Schwartz (2405) Merciless Mayhem Patrol
o Igoo (1817) The Herculoid
o Igor Motor (1112) - Finlandia
o Ikaris / Iceberg / Sovereign (2275) Eternals, New Breed, Star Masters
o Il Massacratore (1221) - Italia
o Ilenia Varga (1280) - Italia
o Illuminator (2294)
o Imagen Extrema (1456) - Spanyol
o Imam, Professor (2697) Golden Agency, Squadron Supreme
o Iman (2550)
o Impala (2865) Global Guardians
o Impluse (Dwight Hubbard) (2326) Psionex
o Immortal, The (552) The Tick
o Impulse (080)
o Improv (Brett) (721) Frenetic Five
o Inazuma (Lightning) (2782) Master of Silence (a.k.a. Warrior Souls, Three Stroms)
o Incredibles, Mr. (885) Incredibles, The
o Indestructible Man, The (2233)
o Indestructible, Ms. (2827) The Specials
o Indiana Jones (1627)
o Indra (Paras Gavaskar) (2879) Xavier Institue, Alpha Squad
o Infama (1053) - Canada
o Inframan (1095) - China
o Infraggable Krunk, The (1843) The Justice Friends
o Inhuman (389)
o Inhuman Torch (2759) Fearsome Four (House of M)
o Incredible Popeman, The (2121) -
o Insect Queen (Lana Lang) (2726)
o Interloper (2276) Eternals, Defenders
o Invisible Boy (826) Mystery Men
o Invisible Boy, The (Dani Din) (2406)
o Invicible Girl (037) Fantastic Four - Amerika
o Invisible Kid II (2060) Legion of Super-Heroes -
o Invicible Woman (Valeria von Doom) (2760) Fearsome Four (House of M)
o Invisible Kid (439) Legion of SuperHero.
o Invisible Man (Brady) (1501) - Inggris
o Invisible Man, The (1670)
o Iron Clad (1836) Ultraforce
o Iron Fist (Daniel Rand) (261) Heroes for Hire, Secret Defenders, dan New Avengers.
o Iron Fist (Orson Randall) (2810)
o Iron Lad (364) Young Avengers
o Iron Man (025) Avengers, West Coast Avengers, Force Works, Illuminati, Ultimates, New Avengers, dan Mighty Avengers - Amerika
o Iron Monkey (1096) - China
o Iron Ox (712) Freedom Force
o Isabelle (1137) - Perancis
o Isaiah 6:2 (2295) The Rapture
o Isis (Adrianna Tomaz) (2234)
o Isis (Andrea Thomas) (2235) Freedom Force
o Ismael (325)
o Itabira (996) – Brazilia
o Izzy Cohen, Pvt. (2436) Sergeant Fury and Howling Commandos