Suggestions by @superbat

Keanu Reeves

as Bucky Barnes in James Cameron's MCU

Hugh Laurie

as Stephen Strange in James Cameron's MCU

Jason Scott Lee

as Namor Mckenzie in James Cameron's MCU

Ben Stiller

as Scott Lang in James Cameron's MCU

Eddie Murphy

as Sam Wilson in James Cameron's MCU

Denzel Washington

as James Rhodes in James Cameron's MCU

Ralph Fiennes

as Vision in James Cameron's MCU

Wesley Snipes

as T'Challa in James Cameron's MCU

James Marsden

as Pietro Maximoff in James Cameron's MCU

Alicia Silverstone

as Wanda Maximoff in James Cameron's MCU

Kevin Costner

as Clint Barton in James Cameron's MCU

Famke Janssen

as Natasha Romanoff in James Cameron's MCU

Sandra Bullock

as Janet van dyne in James Cameron's MCU

Billy Campbell

as Hank Pym in James Cameron's MCU

Brad Pitt

as Steve Rogers in James Cameron's MCU

Viggo Mortensen

as Thor Odinson in James Cameron's MCU

George Clooney

as Tony Stark in James Cameron's MCU

David Duchovny

as Bruce Banner in James Cameron's MCU

Val Kilmer

as Steve Rogers in James Cameron's MCU

Brad Pitt

as Thor Odinson in James Cameron's MCU