Klaw

Komodo

Melati Kusuma

Korath

Korg

Korvac

Krakoa

Kraven the Hunter

Kree

Krista Starr

Kronos

Kulan Gath

Kwannon

Kylun

La Nuit

Lady Bullseye

Lady Deathstrike

Lady Mastermind

Lady Ursula

Lady Vermin

Lake

Landau

Lava-Man

Layla Miller

Leader

Leech

Legion

Lei Kung, The Thunderer

Lenny Balinger

Leo

Zodiac

Leopardon

Leper Queen

Lester

Lethal Legion

Lieutenant Marcus Stone

Lifeguard

Lightning Lords of Nepal