Legacy (Anna Marie) (Earth-11326)

Gender: ♀
Alternate version of: Rogue (Anna)
Universe/Dimension/Timeline: Earth-11326 (Age of X)

Legacy (Genis-Vell)
Legba

Gender: ♂
Individual of: Eternals of Earth

Legion (David Charles Haller)
Legion (David Charles Haller) (Earth-11326)

Gender: ♂
Alternate version of: Legion (David Haller)
Leader of: Force Warriors (Earth-11326)
Member(s): Moira MacTaggart (II) (Earth-11326)
Universe/Dimension/Timeline: Earth-11326 (Age of X)

Legion of Living Lightning
Legion of Monsters (I)
Legion of Monsters (II)
Legion of Night
Legion of the Unliving (I)
Legion of the Unliving (II)
Legion of the Unliving (III)
Rachel Leighton
Leir
Leita

Gender: ♀
Member of: Valkyrior

Lem
Honey Lemon

Gender: ♀
Member of: Big Hero 6

Features
Big Hero 6 1.FT

Lemurans
Lemuria (I)
Lemuria (II)
Lemurians

Individual(s): Karthon the Quester, Llyra Morris
Subgroup of: Homo Mermanus

Leno Jay (Earth-1218)
Charles Lensherr (Earth-295)
Lenz
Leo (Daniel Radford)
Leo LMD
Leonus
Leopard Girl (Gwen)
Leper Queen
Letha (Hellen Feliciano)
Lethal Legion (I)
Lethal Legion (II)
Lethal Legion (III)
Lethal Legion (IV)
Lethal Legion (V) (Earth-91119)
Lethal Legion (VI)
Lethal Legion (VII)
Levians
Leviathan (Edward Cobert)

Gender: ♂
Alias: Gargantua (Edward Cobert)

Leviathan (Marinna Smallwood)

Gender: ♀
Alias of: Marrina (Marinna Smallwood)

Leviathan (IV)
Sidney E. Levine

Member of: S.H.I.E.L.D. (I)

Saint Cyrus Leviticus
Lianda
Liar Ring
Liberators (Earth-1610)

Universe/Dimension/Timeline: Earth-1610 (Ultimate)

Features
Ultimate Secrets 1.FT

Liberteens
Liberty Legion
Liberty's Lair

Headquarter of: Liberteens

Libra (Gustav Brandt)
Libra LMD
Licensverse
Liegeman

Gender: ♂
Alternate version of: U.S. Agent (John Walker)
Member of: Morgana Le Fey's Alternate Avengers

Lifeglow
Lifeguard (Heather Cameron)
Lifeline (Deacon)

Created by: Christopher Claremont, Marc Silvestri
Member of: Harriers

Lifter (Ned Lathrop)
Lifter (II)
Lightmaster (Dr. Edward Lansky)
Lightning Conductor Ring
Lightning Lords of Nepal
Lightningbolt

Member of: Spaceknights (I)

Lightspeed (Julia Power) (Earth-58163)

Gender: ♀
Alternate version of: Lightspeed (Julie Power)
Member of: Wolfpack (II) (Earth-58163)
Universe/Dimension/Timeline: Earth-58163 (House of M)

Lightspeed (Julie Power)
Lightwave (Earth 2509 A.D.)
Li'l Groo (GrooV)

Gender: ♂
Alternate version of: Groo (GrooV)
Universe/Dimension/Timeline: Grooverse

Main
Sergio Aragones' Groo the Wanderer 96 - 99, 102, 110, 112 - 113, 116

Features
The Life of Groo 1.FT

Li'l Professor (Comedy)