Suggestions by @jesselee

Dorothy the Goldfish

as Dorothy the Goldfish in The Dream SMP Movie

Dream

as Dream in The Dream SMP Movie

Shawn Macdonald

as Misty Knight in Avengers Secret Wars

Wayne Knight

as Cyclops in Avengers: Secret Wars

James Patrick Stuart

as M.O.D.O.K. in Avengers: Secret Wars

Daisy Ridley

as Mystique in Avengers: Secret Wars

Daisy Rudd

as Volcana in Avengers: Secret Wars

Joan Cusack

as Invisible Woman in Avengers: Secret Wars

Frank Welker

as Nightcrawler in Avengers: Secret Wars

Jack Black

as Juggernaut in Avengers: Secret Wars

Jeff Bergman

as Ice-Man in Avengers: Secret Wars

An Unknown Voice Actor

as Silver Surfer in Avengers: Secret Wars

Alan Tudyk

as Magneto in Avengers: Secret Wars

James Earl Jones

as Galactus in Avengers: Secret Wars

Tim Allen

as Human Torch in Avengers: Secret Wars

Tom Hanks

as The Thing in Avengers: Secret Wars

Andrew Stanton

as Doctor Doom in Avengers: Secret Wars

Boris Karloff

as Hulk in Avengers Secret Wars

Sheamus

as Sheamus in Marvel Studios: Avengers Secret Wars

Elmo (Sesame Street)

as Sesame street will Return in Marvel Studios: Avengers Secret Wars