Suggestions by @christopherthelegend

RJ Cyler

as Aqualad in Young Justice

KJ Apa

as Kid Flash in Young Justice

Colin Ford

as Kid Flash in Young Justice

Brenton Thwaites

as Nightwing/Robin in Young Justice

Joe Keery

as Gambit in The Mutants

Charlie Hunnam

as Ben Grimm in Fantastic Four in the Marvel Cinematic Universe

Janelle Monáe

as Storm in The Mutants

Maya Hawke

as Rogue in The Mutants

Elizabeth Gillies

as Rogue in The Mutants

Ralph Fiennes

as Proffesor X in The Mutants

Kaitlyn Dever

as Shadowcat in The Mutants

Vanessa Kirby

as Emma Frost in The Mutants

Emilia Clarke

as Phoenix in The Mutants

Lily James

as Phoenix in The Mutants

Evan Rachel Wood

as Phoenix in The Mutants

Liev Schreiber

as Darkseid in Justice League

Bill Skarsgård

as Joker in Justice League

Bryan Cranston

as Lex Luther in Justice League

Miles Teller

as The Atom in Justice League

Katheryn Winnick

as Black Canary in Justice League