Suggestions by @sonictiger

Linnea Berthelsen

as Ororo Munroe in X: Children of The Atom

Finn Wolfhard

as Scott Summers in X: Children of The Atom

Millie Bobby Brown

as Jean Grey in X: Children of The Atom

Zack Snyder

as Director in Marvel's The Illuminati (TV Series)

sonictiger

as Writer in Marvel's The Illuminati (TV Series)

John David Washington

as War Machine in Marvel's The Illuminati (TV Series)

Louis Partridge

as Colossus in Marvel's The Illuminati (TV Series)

Millie Bobby Brown

as Shadowcat in Marvel's The Illuminati (TV Series)

Noah Schnapp

as Spider-Man in Marvel's The Illuminati (TV Series)

Natalie Portman

as The Invisible Woman in Marvel's The Illuminati (TV Series)

Henry Golding

as Namor in Marvel's The Illuminati (TV Series)

Jeffrey Wright

as Professor X in Marvel's The Illuminati (TV Series)

Joaquin Phoenix

as Doctor Strange in Marvel's The Illuminati (TV Series)

Regé-Jean Page

as Black Panther in Marvel's The Illuminati (TV Series)

Joseph Gordon-Levitt

as Mr. Fantastic in Marvel's The Illuminati (TV Series)

LaKeith Stanfield

as Captain America in Marvel's The Illuminati (TV Series)

Robert Pattinson

as Bruce Banner in Marvel's The Illuminati (TV Series)

Olivia Wilde

as Director in Captain Marvel: Rise of The Marvels

sonictiger

as Writer in Captain Marvel: Rise of The Marvels

Matthias Schweighöfer

as Gladiator in Captain Marvel: Rise of The Marvels