Magnus (Magnus)

Gender: ♂

Features
Avengers Assemble (I) 1.FT

Magnuto (WhatThe)

Gender: ♂
Spoof of: Magneto (Max Eisenhardt)
Universe/Dimension/Timeline: Whattheverse

Main
GeNext 2
GeNext TPB 1
What the -- ?! 5

Magus (I)
Magus (II)
Maha Yogi
Mahkizmo
Mainframe (Ian Wajler)

Gender: ♂

Features
Dark Reign Files 1.FT

Mainframe (I) (Earth-691)

Alternate version of: Vision (I)
Universe/Dimension/Timeline: Earth-691b (Guardians of the Galaxy)

Mainframe (II) (Earth-982)

Gender: ♂
Member of: A-Next (Earth-982)
Universe/Dimension/Timeline: Earth-982 (M2)

Cameo
Fantastic Five (II) 4 - 5

Maison Alpha
Major Liberty
Major Mapleleaf (Lou Sadler)
Major Mercury (Makkari)
Major Victory (Major Vance Astrovik) (Earth-691)
Maker
Makeshift (Annie Zamborano)

Gender: ♀
Member of: Executive Elite

Makkari
Makluans
Makoth

Individual of: Inhumans (I)

Malachi (Malachi)
Malcom (Earth-1191)

Gender: ♂
Universe/Dimension/Timeline: Earth-1191 (Bishop's Future)

Features
Bishop 1.FT

Malekith the Accursed (Malekith)
Malice (Lorna Dane)
Malice (Nakia)
Malice (Susan Richards)
Malice (I)
Dr. Karl Malus
Mammomax
Man Called Frank
Man of War (Earth-93060)
Man with No Face (Philip Wing)
Mana
Man-Ape (M'Baku)
Man-Apes
Man-Beast
Manbot (Bernie Lachenay)
Man-Bull (William Taurens)
Victor Mancha
Mandarin (Temujin)
Mandarin (I)
Mandarin (III) (Alt)

Gender: ♂
Alternate version of: Mandarin (I)
Universe/Dimension/Timeline: Unknown Universe/Dimension/Timeline

Features
Timeslip Collection 1.FT

Mandate
Mandos
Mandrill (Jerome Beechman)
Mandroid
Man-Eater (Malcolm Gregory Murphy)
Man-Elephant (Manfred Ellsworth Haller)
Dino Manelli

Gender: ♂
Member of: Deadly Dozen, Howling Commandos (I)

Mangaverse
Man-Gods
Mangog (I)
Mangog (II) (Earth-31916)

Gender: ♂
Universe/Dimension/Timeline: Earth-31916 (Supreme Power)

Lead
Squadron Supreme (III) 12

Support
Squadron Supreme (III) 11

Mania (Ani Benton)

Gender: ♀
Individual of: Symbiotes

Mania (Patricia Robertson)

Gender: ♀

Manikin (Whitman Knapp)
Manikin (II)

Gender: ♂
Alternate version of: Vision (I)
Member of: Morgana Le Fey's Alternate Avengers

Manipulator (I)

Gender: ♂

Manipulator (II)

Gender: ♂

Man-Killer (Katrina Luisa van Horn)
Man-Mountain Marko
Dr. Eve Manning (Earth-982)

Gender: ♀
Leader of: Humanity First (Earth-982)
Universe/Dimension/Timeline: Earth-982 (M2)

Manoo
Man-oo the Mighty
Manowar (Manowar)
Manphibian
Donna Mansfield (Earth-982)

Gender: ♀
Universe/Dimension/Timeline: Earth-982 (M2)

Support
Amazing Spider-Girl 12

Maurice Arthur Mansfield (Earth-982)
Manslaughter