I completely expect Frankie Raye to not be included.

Of course, Jean, MJ, Black Widow, and probably Wanda would spotlight.

By no means a complete list, but surely they could all fit...

Prestige (Rachel Summers)
Beverly Switzler
Thundra
Shanna
Jessica Drew
Mystique
Venus
Medusa
Hellcat
Wolfsbane
Satana (please get rid of the white)
Rescue
Angela
Firestar
Titania
Lyra
Siryn
Shamrock (betcha forgot about me)
Hope Summers
She-Thing
Maddie Pryor
Amelia Voght
Sin
Colleen Wing
Vindicator
Julia Carpenter
Bethany Cabe
Marlo Chandler
Mercury
Big Bertha
Dorma
Tangerine
Elsa Bloodstone
Isca (new mutant girl from Arakko)
Hollow/Penance
Bucky (Heroes Reborn)... I think her hair was reddish...
Sapphire Styx
Scream

Do strawberries count too? Crystal? Alicia? Lightspeed? Energizer?

What about pink/magenta? Blink, Marrow, Songbird and Diamondback?

Or Victoria (does my streak count) Hand?

Guys?

Ant-Man (Scott Lang)
Starlord
Killraven
Juggernaut
Vanguard
Dum Dum Dugan
Norman Osborn
Pyro
Hyperion
Raza Longknife (Starjammers)
Daredevil
Banshee
Indra
Icarus
Carnage (ICK!)
D-Man
Hellstrom
Belasco
Eric O'Grady
Volstagg
Atlas
Starfox
Shatterstar
Yondu
Fabian (ptooey) Cortez
Jack Russell
Rusty (rez me please) Collins?