Suggestions by @darthspidermaul

Andy Serkis

as Alfred Pennyworth in Batman Reevesverse

Robert Pattinson

as Batman in Batman Reevesverse

Conan Stevens

as Solomon Grundy in Snyderverse/DCEU Fancast

Sam Witwer

as Two-Face in James Gunn's Batman

Batman

as Alan Ritchson in DCU

Dan Stevens

as John Constantine in Snyderverse/DCEU Fancast

Omari Hardwick

as Aaron Cash in Batman: The Caped Crusader

Zendaya

as Mary Jane Watson in Marvel: Universe in Peril

Emma Stone

as Gwen Stacy in Marvel: Universe in Peril

Gwyneth Paltrow

as Pepper Potts in Marvel: Universe in Peril

J.K. Simmons

as J Jonah Jameson in Marvel: Universe in Peril

Clark Gregg

as Phil Coulson in Marvel: Universe in Peril

Cobie Smulders

as Maria Hill in Marvel: Universe in Peril

Don Cheadle

as War Machine in Marvel: Universe in Peril

Patrick Stewart

as Professor X in Marvel: Universe in Peril

Patton Oswalt

as MODOK in Marvel: Universe in Peril

Woody Harrelson

as Carnage in Marvel: Universe in Peril

Evan Jonigkeit

as Toad in Marvel: Universe in Peril

Tyler Mane

as Sabretooth in Marvel: Universe in Peril

Aaron Stanford

as Pyro in Marvel: Universe in Peril