Suggestions by @sageturmelle

Ophelia Lovibond

as Kitty Pryde in Alternate MCU

Oscar Isaac

as Winter Soldier in Alternate MCU

Stefan Kapičić

as Doctor Strange in Alternate MCU

Chris Evans

as Nightwing in DCEU Rebooted

Mads Mikkelsen

as Hela in Marvel Comics (Gender Swap)

Sentry (Marvel Cinematic Universe)

as Heroes in Characters due to appear in Avengers: The Kang Dynasty

Daniel Brühl

as Quasimodo in The Hunchback of Notre Dame

Gina Carano

as James Howlett in Marvel Comics (Gender Swap)

Jaimie Alexander

as Thor Odinson in Marvel Comics (Gender Swap)

Oliver Platt

as Dreykov in Black Widow

Luke Evans

as Deadshot in DCEU Rebooted

Kate Bishop (Marvel Cinematic Universe)

as Twilight Sparkle in My Little Pony: Friendship is Magic, if fictional characters made it

Black Widow/Yelena Belova (Marvel Cinematic Universe)

as Sunset Shimmer in My Little Pony: Friendship is Magic, if fictional characters made it

Clayton

as Darkest Animated Movie Death in Best & Worst of Cartoons

Katy Chen (Marvel Cinematic Universe)

as Aloof Dark-Haired Girl in Sort by Tropes

Kate Bishop (Marvel Cinematic Universe)

as Aloof Dark-Haired Girl in Sort by Tropes

Henry Cavill

as Saoirse Ronan in Dream Actor / Actress-Actor / Actress Collaborations

Natalie Portman

as Eda in The Owl House

Fanny (Marvel Cinematic Universe)

as Marvel Cinematic Universe in All Fictional Characters Sorted by Media

Tom Everett Scott

as The Hulk in Alternate MCU