S
Sabra
Sabretooth*
Sabretooth (Exiles)
Sage/Tessa
Saint Anna*
Sasquatch I/Box III
Sasquatch II*
Saturnyne
Sat-Yr9
Sauron
Savage Land
Savage Land Mutates/Beast Brood
Scalphunter
Scanner
Scarlet Witch
Scrambler
Selene/Black Queen
Sentinel Squad O*N*E
Sentinels
Serpentina* (2099)
Shadow King
Shadowcat/Ariel/Sprite
Sham (2099)
Shaman/Talisman IV*
Shard*
Shatterstar
Shaw, Sebastian/Black King
Shaw, Shinobi/Black King*
Shi'ar
S.H.I.E.L.D.
Shocker/Paralyzer
Siege Perilous
Silicon
Silver Samurai
Sir Benedict
Siryn/Banshee III
the Six (Mutant X-verse)
Six Pack/Wild Pack II
Skids
Skin*
Skrulls
Skullbuster II/Cylla*
Skullbuster III
Skullfire (2099)
Slab
Slipstream
Sluk*
Smith/Metalsmith* (2099)
Snowbird
Somers, Morphine (2099)
Soulsword
Special Executive
Specter
Spider-Man 2099 (Exiles)
Spike*
Spiral
Spirit*
Squid-Boy*
Squirrel Girl
St. Croix, Claudette
St. Croix, Nicole
Starjammers
Static II*
Stepford Cuckoos/Three-In-One (*)
Storm
Strong Guy
Stryfe*
Stryker, William
Stuart, Alistaire
Stuart, Alysande*
Stuff
Sublime
Sugar Man
Summers Rebellion (Earth-1191)
Sumo
Sunder*
Sunfire
Sunfire II* (Exiles)
Sunpyre*
Sunspot
Surge
Sway*
Sword of Might
S'ym
Synch*
Szardos, Margali

AppendiX: S
AppendiX: Teams S


* : overleden
(*): waarschijnlijk overleden (in het geval van de Stepford Cuckoos: alleen Sophie en Esme zijn overleden)