Suggestions by @jasminepink

Henry Cavill

as Clark Kent in Injustice: The Movie

Jon Hamm

as Bruce Wayne in Injustice: The Movie

Bill Skarsgård

as The Joker in Batman

Joe Pesci

as The Penguin in Dceu Rebooted

Cobie Smulders

as Wonder Woman in Dceu Rebooted

Kaya Scodelario

as Lois Lane in Dceu Rebooted

Katheryn Winnick

as Kara Zor-El in Dceu Rebooted

Margot Robbie

as Harley Quinn in Dceu Rebooted

Ruby Rose

as Catwoman in Dceu Rebooted

Emma Stone

as Poison Ivy in Dceu Rebooted

Levi Miller

as Robin / Nightwing in Dceu Rebooted

Corey Stoll

as Lex Luthor in Dceu Rebooted

Bill Skarsgård

as Joker in Dceu Rebooted

Charlie Hunnam

as Aquaman in Dceu Rebooted

Brandon Flynn

as The Flash in Dceu Rebooted

Grant Morrison

as Writer in Superman

John Byrne

as Writer in Superman

Geoff Johns

as Producer in Superman

Ron Howard

as Director in Superman

Matthew Vaughn

as Director in Superman