Suggestions by @comodin

Tobey Maguire

as What if Quicksilver created a Paradox? in What if...? (MCU 2000s)

Score: +1

Freddie Fox

as What if Gwayne was a spy for the Blacks? in A Song of Ice and Fire: What if…?

Score: +2

Jennifer Lawrence

as Enid Richards in Ultimate Fantastic Four (2024 - 2029)

Score: +1

Sarah Bolger

as What if the original Dragowolfes were Prineces and Princesess from the Start? in A Song of Ice and Fire: What if…?

Score: +2

Harry Collett

as What if the thief of Vhagar was Stoped? in A Song of Ice and Fire: What if…?

Score: +2

Natalie Portman

as Martha Wayne in Flashpoint

Score: +1

Christina Hendricks

as What if Minisa lived to raise her children? in A Song of Ice and Fire: What if…?

Score: +2

Rene Russo

as Friga in Thor: The Dark World (2013)

Score: +1

Edward Norton

as Maestro in Evil Marvel vs DC Armageddon Counterparts

Score: +1

Cuba Gooding Jr.

as War Machine in MCMECU (Main Classic Marvel Extended Cinematic Universe)

Score: +2

Faran Tahir

as Raza Hamidmi al-Wazar in Iron Man (2008)

Score: +1

Vanna White

as Wendy Fisk in MCU Villains (Gender Swap)

Score: +2

Chris Evans

as Captain America in Jessica Jones Season 1 (2013)

Score: +1

Erin Moriarty

as Hope Shlottman in Jessica Jones Season 1 (2013)

Score: +1

Whoopi Goldberg

as Lieutenant Edna Traxler in The Terminator (1984)-Genderswap

Score: +2

Charlie Vickers

as What if Maegor wouldn't have been so sadistic? in A Song of Ice and Fire: What if…?

Score: +2

John Macmillan

as What if the Strong Boys acusation was Counterprodoctive? in A Song of Ice and Fire: What if…?

Score: +2

Daisy Ridley

as What if Rhaenyra II heir to King Jon and Queen Dany? in A Song of Ice and Fire: What if…?

Score: +2

Joshua Ben-Tovim

as What if Aerion was sent to the Wall? in A Song of Ice and Fire: What if…?

Score: +2

Natalie Dormer

as Carol Danvers in Ultimate Spider-Man (Season 9) (2022-2023)

Score: +1