Suggestions by @hoodgangdemon

Dylan O'Brien

as Ice Man in X-Men

Maisie Richardson-Sellers

as Storm in X-Men

KiKi Layne

as Storm in X-Men

Chris Pine

as Cyclops in X-Men

Sophie Turner

as Jean Grey in X-Men

Jason Isaacs

as Magneto in X-Men

Gary Oldman

as Professor X in X-Men

Naomi Scott

as Wonder Girl in James Gunn's DC Cinematic Universe

Pyro

as Joe Keery in If IT/Stranger Things actors played DC/Marvel characters

Kitty Pryde (Shadowcat)

as Millie Bobby Brown in If IT/Stranger Things actors played DC/Marvel characters

Johnny Depp

as Beyonder in Marvel Characters Who Haven't Appeared In The MCU

Giancarlo Esposito

as Doctor Doom in Marvel Characters Who Haven't Appeared In The MCU

Cillian Murphy

as Doctor Doom in Marvel Characters Who Haven't Appeared In The MCU

Xolo Maridueña

as Sam Alexander in Marvel Characters Who Haven't Appeared In The MCU

Lou Ferrigno Jr.

as Wonder Man in Marvel Characters Who Haven't Appeared In The MCU

Liam Neeson

as Galactus in Marvel Characters Who Haven't Appeared In The MCU

Bill Skarsgård

as Nightmare in Marvel Characters Who Haven't Appeared In The MCU

Rudy Pankow

as Human Torch in Marvel Characters Who Haven't Appeared In The MCU

Joseph Quinn

as Human Torch in Marvel Characters Who Haven't Appeared In The MCU

Will Poulter

as Adam Warlock in Marvel's Fantastic Four