Suggestions by @drcaster

James Marsden

as Green Lantern in Justice League: Invasion (DCEU)

Zachary Levi

as Shazam in Justice League: Invasion (DCEU)

John Boyega

as Cyborg in Justice League: Invasion (DCEU)

Jason Momoa

as Aquaman in Justice League: Invasion (DCEU)

Dylan O'Brien

as Flash in Justice League: Invasion (DCEU)

Gal Gadot

as Wonder Woman in Justice League: Invasion (DCEU)

John Krasinski

as Superman in Justice League: Invasion (DCEU)

Robert Pattinson

as Batman in Justice League: Invasion (DCEU)

Dylan O'Brien

as Billy in The Fifth Element (Reboot)

Grant Gustin

as Billy in The Fifth Element (Reboot)

Ezra Miller

as David in The Fifth Element (Reboot)

Hailee Steinfeld

as Leeloo in The Fifth Element (Reboot)

Morgan Freeman

as Nick Fury in Captain Marvel

Jennifer Morrison

as Carol Danvers in Captain Marvel

Joel Kinnaman

as Rick Flag in The Suicide Squad

Ben Platt

as Iceman in X-Men (MCU)

Jack Black

as Beast in X-Men (MCU)

Gina Rodriguez

as Alicia Masters in Fantastic Four

John Krasinski

as Mister Fantastic in Fantastic Four

Dylan O'Brien

as Human Torch in Fantastic Four