Suggestions by @darksith

Eliza Taylor

as Captain Marvel in Alternative MCU Cast

Wesley Snipes

as Nick Fury in MCU Phase 1-3 (1998-2009)

Millie Bobby Brown

as Raven in Injustice (Fan casting for movie or TV Series if ever made)

Joseph Morgan

as The Joker in Injustice (Fan casting for movie or TV Series if ever made)

Kit Harington

as Nightwing in Injustice (Fan casting for movie or TV Series if ever made)

Hailee Steinfeld

as Batgirl in Injustice (Fan casting for movie or TV Series if ever made)

Emma Roberts

as Harley Quinn in Injustice (Fan casting for movie or TV Series if ever made)

Kiernan Shipka

as Supergirl in Injustice (Fan casting for movie or TV Series if ever made)

Millie Bobby Brown

as Bianca di Angelo in Percy Jackson & the Olympians

Viola Davis

as Amanda Waller in Avengers vs Justice League: Crisis of the Multiuniverses

Samuel L. Jackson

as Nick Fury in Avengers vs Justice League: Crisis of the Multiuniverses

Antony Starr

as Wolverine 2 in Avengers vs Justice League: Crisis of the Multiuniverses

Ben Affleck

as Batman in Avengers vs Justice League: Crisis of the Multiuniverses

Mathilde Ollivier

as Batwoman in DCEU Rebooted

Solène Rigot

as Poison Ivy in DCEU Rebooted

Mathilde Ollivier

as Rogue in Avengers vs Justice League: Crisis of the Multiuniverses

Conor Leslie

as Rogue in Avengers vs Justice League: Crisis of the Multiuniverses

Katherine Langford

as Rogue in Avengers vs Justice League: Crisis of the Multiuniverses

Alicia Vikander

as Rogue in Avengers vs Justice League: Crisis of the Multiuniverses

Sophia Lillis

as Squirrel Girl in Avengers vs Justice League: Crisis of the Multiuniverses