Rocket Raccoon

Rocket Raccoon (Marvel Heroes)

Rocket Racer

Rockslide

Rogue

Rogue (Age of Apocalypse)

Rogue (Deadpool)

Rogue (Ultimate)

Rogue (X-Men: Battle of the Atom)

Roland Deschain

Romulus

Ronan

Ronin

Roughhouse

Roulette

Roxanne Simpson

Rumiko Fujikawa

Runaways

Russian

S.H.I.E.L.D.

Sabra

Sabretooth

Sabretooth (Age of Apocalypse)

Sabretooth (House of M)

Sabretooth (Ultimate)

Sage

Salem's Seven (Ultimate)

Sally Floyd

Salo

Sandman

Santa Claus

Saracen (Muzzafar Lambert)

Sasquatch (Walter Langkowski)

Satana

Sauron

Scarecrow (Ebenezer Laughton)

Scarlet Spider (Ben Reilly)

Scarlet Spider (Kaine)

Scarlet Witch

Scarlet Witch (Age of Apocalypse)

Scarlet Witch (Marvel Heroes)

Scarlet Witch (Ultimate)

Scorpion (Carmilla Black)

Scorpion (Mac Gargan)

Scorpion (Ultimate)

Scourge

Scrambler

Scream (Donna Diego)

Screwball

Sebastian Shaw

Secret Warriors

Selene

Senator Kelly

Sentinel

Sentinels

Sentry (Robert Reynolds)

Ser Duncan

Serpent Society

Sersi

Shadowcat

Shadowcat (Age of Apocalypse)

Shadowcat (Ultimate)

Shadow King

Shadow King (Age of Apocalypse)

Shadu the Shady

Shalla-bal

Shaman

Shane Yamada-Jones

Shang-Chi

Shang-Chi (Ultimate)

Shanna the She-Devil

Shape

Shard

Sharon Carter

Sharon Ventura

Shatterstar

She-Hulk (HAS)

She-Hulk (Jennifer Walters)

She-Hulk (Lyra)

She-Hulk (Marvel War of Heroes)

She-Hulk (Ultimate)

Shen

Sheva Callister

Shi'Ar

Shinko Yamashiro

Shinobi Shaw

Shiva

Shiver Man

Shocker (Herman Schultz)

Shockwave

Shooting Star

Shotgun

Shriek

Sif

Silhouette

Silk (Cindy Moon)

Silk Fever

Silver Centurion

Silver Fox

Silver Sable