Suggestions by @jdfnike

Marcus Scribner

as Miles Morales in Characters Not in the MCU

Mark Hamill

as Galactus in Characters Not in the MCU

Mark Strong

as Professor X in Characters Not in the MCU

Dafne Keen

as Laura Kinney in Characters Not in the MCU

Jared Leto

as Michael Morbius in Characters Not in the MCU

Dacre Montgomery

as Human Torch in Characters Not in the MCU

Joe Keery

as Human Torch in Characters Not in the MCU

Pedro Pascal

as Rhino in Characters Not in the MCU

Mark Hamill

as Gargoyle in Characters Not in the MCU

Denzel Washington

as Dr. Doom in Characters Not in the MCU

Giancarlo Esposito

as Dr. Doom in Characters Not in the MCU

Shameik Moore

as Miles Morales in Characters Not in the MCU

Ben Affleck

as Annihilus in Characters Not in the MCU

Patrick Flueger

as Michael Korvak in Characters Not in the MCU

Peyton Elizabeth Lee

as Jubilee in Characters Not in the MCU

Lucas Till

as Havoc in Characters Not in the MCU

Ana de Armas

as Mystique in Characters Not in the MCU

Madison Iseman

as Dazzler in Characters Not in the MCU

Jon Hamm

as Mr. Sinister in Characters Not in the MCU

Jesse Lee Soffer

as Cyclops in Characters Not in the MCU