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M II
M-80
Mach-Four
Machine Man*
Machine Man 2020
Madame Web
Mad-Dog Martin
Madrox I
Magar the Mystic
Maggott
Magik II
Magique
Magma II
Magneto II
Magnus I
Magnus II
Major Hauer
Major Liberty
Major Maple Leaf I
Major Maple Leaf II
Makkari
Mako I
Malcolm III
Malcolm Reeves
Mammoth II
Mammoth III
Manbot
Mandy
Man Named Frank
Manta
Man-Thing
Mantis II*
Mantor the Magician
Manuel Diego
Mari
Marilla I
Marlene Drake
Marrina*
Marshal II
Martha the Mutant Brain
Martin Gold
Marvel Boy I
Marvel Boy II
Marvel Girl III
Marvex the Super-Robot
Mary I
Mary Archer
Mary Campbell
Masquerade
Mass Master I
Master Mind Excello
Mastodon
Matani Tivan
Match
Matriarch III
Maurice Destine
Max I
Maxam
Max Parrish
Maya IV
Mayhem
M. C. Milo Mystik
Meanstreak
Mechamage
Mechanic II
Medusa II
Meggan
Melnoa
Melvin Potter
Mentac the Living Computer
Mentor I
Mentor II
Mercury V
Merlin I
Merzah the Mystic
Metalhead
Metalscream
Meteorite III
M'Gumbu
Microbe
Microchip
Micromax
Mike I
Mike II
Miles Warton
Milo
Mimic II
Mindsinger
Mink
Misha
Miss America
Miss Fury
Missing Link I
Miss Patriot
Mister E I
Mister Fantastic*
Mister Immortal
Mister Justice
Mister Keel
Mister Rasputin
Mister Spector
Mister Stasser
Mister X I
Mistress Love
Misty Knight
Mize
*Mockingbird
Modred the Mystic
Moira MacTaggert
Molten Man
Monako
Monstra
Moonboy I
Moonboy II
Moon Ghost
Moonglow II
Moonhunter
Moon Knight*
Moon Maid
Moon Man I
Moon Man II
Moonstalker
Moonstar
Moonstomp
Moonstone II
Mop Man
Morel
Morfex
Morlands Monster
Morph I
Morph II
Mortalis
Motormouth
Mouse I
Mouse II
Muck Monster
Munchkin
Murmur II
Mysterious Fan Boy
