Suggestions by @adams

John Krasinski

as Superman in Flashpoint

Dexter Darden

as Cyborg in Flashpoint

Brad Pitt

as Drum Eatenton in Steel Magnolias

Meg Ryan

as Clairee Belcher in Steel Magnolias

Anne Hathaway

as Annelle Dupuy Desoto in Steel Magnolias

Katie Holmes

as M'Lynn Eatenton in Steel Magnolias

Reese Witherspoon

as Truvy Jones in Steel Magnolias

Dylan O'Brien

as Jackson Latcherie in Steel Magnolias

Hailee Steinfeld

as Shelby Eatenton Latcherie in Steel Magnolias

Emily Blunt

as Invisible Woman in Alternate MCU

John Krasinski

as Mr Fantastic in Alternate MCU

Dylan O'Brien

as Nightwing in The Batman

Jane Levy

as Batgirl in The Batman

Sofia Boutella

as Mystique in X-Men (MCU)

Richard Madden

as Cyclops in X-Men (MCU)

Evan Rachel Wood

as Jean Grey in X-Men (MCU)

Brandon Flynn

as Iceman in X-Men (MCU)

Jon Hamm

as Batman in The Batman

Adam Driver

as Scarecrow in The Batman

Asa Butterfield

as Tim Drake in The Batman