Suggestions by @drcaster

Jack Black

as Beast in Avengers vs. X-Men

Dylan O'Brien

as Human Torch in Avengers vs. X-Men

Brandon Flynn

as Iceman in Avengers vs. X-Men

Jack Black

as Beast in X-Men Fan Casting MCU

John Krasinski

as Clark Kent /Superman in Superman/Shazam

Asher Angel

as Billy Baston/Shazam in Superman/Shazam

Natalie Dormer

as Killer Frost in The Suicide Squad

Josh Brolin

as Cable in X-Men Fan Casting MCU

Zendaya Coleman

as Debra Graham in Mission to Mars

Evan Peters

as Sergei Kirov in Mission to Mars

Emma Roberts

as Maggie McConnell in Mission to Mars

Ansel Elgort

as Phil Ohlmyer in Mission to Mars

Amanda Seyfried

as Terri Fisher in Mission to Mars

Michael B. Jordan

as Luke Graham in Mission to Mars

Josh Dallas

as Woody Blake in Mission to Mars

James Marsden

as Jim McConnell in Mission to Mars

Zazie Beetz

as Domino in X-Men Fan Casting MCU

Ryan Reynolds

as Deadpool in X-Men Fan Casting MCU

Jeremy Allen White

as Pyro in X-Men Fan Casting MCU

Julianne Hough

as Dazzler in X-Men Fan Casting MCU