Jack | Jackal | Jack of Hearts | Jack O'Lantern | Jackpot | Jack Power |
Jahf | Jarvis | Jason Wyngarde | Jasper Sitwell | Jean DeWolf | Jean Grey (Evolution) |
Jean Grey (Movie) |
Jean Grey (Earth-1610) |
Jennifer Ransome (Mutate #9817) |
Jewel | Jigshaw | Jill Stacy |
Jimmy 6 | Jinku | J. Jonah Jameson | Jocasta | Joe 'Robbie' Robertson | John Jameson |
Johnny Blaze | Jonas Harrow | Joseph | Joy Mercado | Jubilee | Judas Traveller |
Juggernaut | Ju-Lak | Ju-Lak's Monster | Julie Power | Just A Guy Named Joe |
Justice |
Jean Grey |
Kaine | Kaine (Earth-1610) |
Kang | Kangaroo | Kangaroo (Earth-1610) |
Karkas |
Karnak | Kate Cushing | Katie Power | Kavita Rao | KaZar & Zabu | Keeper of Flame |
Khoryphos | Killer Shrike | Killer Shrike (Earth-1610) |
King Kull | Kingo Sunen | Kingpin (Wilson Fisk) |
Kingpin (Alfredo Morelli) |
Kitty Pryde (Fantastic Four vs. X-Men) |
Kitty Pryde (Evolution) |
Klaw | Kly'bn | Komodo |
Kraven The Hunter | Kraven The Hunter (Earth-1610) |
Kree warrior | Kristoff Vernard | Kuan-Yin Xorn | Kulan Gath |
Kurrgo Master of Planet X |
Kurrgo's robot | Kurse |
Kraken | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Kronos |
Lady Deathstrike | Lady Dorma | Lady Mastermind | Lady Octopus | Lady Thena | Lance Bannon |
Landslide | Lava Man | Leader | Legba | Legion | Letha |
Lifeguard | Lila Cheney | Lilandra | Living Brain | Living Laser | Living Lightning |
Liz & Normie Osborn | Lizard | Llyra | Loa | Lockheed | Lockjaw |
Locus | Loki | Longneck | Longshot | Looter | Lord Vashti |
Luke Cage | Lupo | Lyja |
Living Monolith |