Suggestions by @dragonassassin7

Dennis Haysbert

as Perry White in Man Of Steel (Alternative Casting)

Score: +3

Jon Favreau

as Perry White in Man Of Steel (Alternative Casting)

Score: 0

Jon Favreau

as Director in Man Of Steel (Alternative Casting)

Score: +1

Linda Cardellini

as Lois Lane in Man Of Steel (Alternative Casting)

Score: +18

Gal Gadot

as Faora in Man Of Steel (Alternative Casting)

Score: +3

Rebecca Ferguson

as Faora in Man Of Steel (Alternative Casting)

Score: +5

Gwendoline Christie

as Thor in Marvel Cinematic Universe (with genderswaps)

Score: 0

Kate McKinnon

as Deadpool in Marvel Cinematic Universe (with genderswaps)

Score: +1

Lupita Nyong'o

as Black Panther in Marvel Cinematic Universe (with genderswaps)

Score: +3

Anna Diop

as Black Panther in Marvel Cinematic Universe (with genderswaps)

Score: +2

Emily Blunt

as Dr Stephanie Strange in Marvel Cinematic Universe (with genderswaps)

Score: +4

Eva Green

as Loki in Marvel Cinematic Universe (with genderswaps)

Score: +1

Aubrey Plaza

as Loki in Marvel Cinematic Universe (with genderswaps)

Score: -1

Sophie Turner

as Rey in Star Wars: The Force Awakens (2020)

Score: -1

Anya Taylor-Joy

as Rey in Star Wars: The Force Awakens (2020)

Score: +1

Mackenzie Foy

as Rey in Star Wars: The Force Awakens (2020)

Score: +2

Elizabeth Debicki

as Chewbacca in Star Wars Gender Swap (Prequel Trilogy)

Score: 0

Rosario Dawson

as Bail Organa in Star Wars Gender Swap (Prequel Trilogy)

Score: +3

Anne Hathaway

as Obi-Wan Kenobi in Star Wars Gender Swap (Prequel Trilogy)

Score: -3

Adam Driver

as Aragorn in The Lord of the Rings

Score: -5