Suggestions by @vigenthegamer

Joaquín Cosío

as Vandal Savage in Justice League

Johnny Goth

as Joker in Justice League

Jesse Eisenberg

as Lex Luthor in Justice League

Florence Pugh

as Ice in Justice League

Holliday Grainger

as Fire in Justice League

Michael Jai White

as Black Lightning in Justice League

Freya Allan

as Supergirl in Justice League

Amber Heard

as Mera in Justice League

Ezra Miller

as Flash in Justice League

Ryan Handley

as Superman in Justice League

Ray Porter

as Darksied in Justice League

James Marsden

as Green Lantern in Justice League

Harry Lennix

as Martian Manhunter in Justice League

Jurnee Smollett

as Black Canary in Justice League

Alexandra Daddario

as Mystique in X-Men

Stefan Kapičić

as Colossus in X-Men

Levi Miller

as Iceman in X-Men

Patrick Stewart

as Professor X in X-Men

Sadie Sink

as Phoenix in X-Men

Holland Roden

as Phoenix in X-Men