1st profile
Featured Profiles:
- Kang
- Kang's Time-Ship
- Karkas
- Karma
- Karnak
- Karnilla
- Ka-Zar
- Killer Shrike
- Kingpin
- Klaw
- Knights of Wundagore
- Wundagore II (Referenced)
- Krang
- Kraven the Hunter
- Kree
- Kro
- K'un-Lun
- Leader
- Lightmaster
- Living Laser
- Living Monolith
- Living Mummy
- Living Tribunal
- Lizard
- Lockjaw
- Loki
- Machine Man
- Madame Masque (Countess Giuletta Nefaria / Whitney Frost)
- Madame Web
- Madrox
- Mad Thinker
- Maelstrom
- Maelstrom's Minions
- Maggia
- Magneto (Magnus)
- Makkari
- Veron (Referenced)
- Mara (Eternal) (Earth-616) (Referenced)
- Man-Bull
Alien Races:
- Krylorians
- Aceta (Referenced)
- Kt'kn
- Landlaks
- Laxidazians
- Levians
- Makluans
- Marvanites
- Megans
- Mekkans
- Mephitisoids
Appendix Entries:
- Hecate
- Heimdall
- Helio
- Hellfire
- Hellrazor
- Hepzibah
- Hera
- H.E.R.B.I.E.
- H.U.B.E.R.T.
- Hermod
- Hero
- Hidden Races
- Hildegarde
- Hitman (Burt Kenyon)
- Hobgoblin (Imperial Guard)
- Hogun
- Horus
- Howling Commandos
- Human Top (David Cannon)
- Human Top (David Mitchell)
- Human Torch (Jim Hammond)
- Hussar
- Hybrid (Jimmy Marks)
- Hydro-Man
- Hydro-Men
- Hydron
- H'ylthri
- Iguana
- Ikon
- Impulse
- Indech
- Infant Terrible
- Inferno (Slifer)
- Inferno (Joseph Conroy)
- Infra-Worlders
- Invaders
- Ion
- Iridia
- Ironclad
- Iron Cross
- ISAAC
- Isbisa
- Isis
- It the Living Colossus
- Jackal (Miles Warren)
- Jackdaw
- Jack Frost (Liberty Legion)
- Jack Frost (Gregor Shapanka)
- Jack O'Diamonds
- Jaguar (Ramon De Rico)
- Janus
- Jarella
- Javlin
- Jemiah the Analyzer
- Jennifer Kale
- Jigsaw
- Jocasta
- Jonas Harrow
- Jude the Entropic Man