Suggestions by @trish_dw

Brandon Routh

as Superman in Ultimate Cinematic Universe

Henry Cavill

as Superman in Ultimate Cinematic Universe

Manu Bennett

as Deathstroke in The Batman (DCEU)

Scott Eastwood

as Deadshot in The Batman (DCEU)

Britt Robertson

as Vickie Vale in The Batman (DCEU)

Haley Bennett

as Vickie Vale in The Batman (DCEU)

Emma Stone

as Vickie Vale in The Batman (DCEU)

Dean Norris

as Hugo Strange in The Batman (DCEU)

Andy Serkis

as Alfred in The Batman (DCEU)

Deepika Padukone

as Talia Al Ghul in The Batman (DCEU)

Haley Bennett

as Poison Ivy in The Batman (DCEU)

Ricardo Hoyos

as Nightwing in The Batman (DCEU)

Jeffrey Wright

as Jim Gordon in The Batman (DCEU)

Matthew McConaughey

as Two-Face in The Batman (DCEU)

Colin Farrell

as The Penguin in The Batman (DCEU)

Zoë Kravitz

as Catwoman in The Batman (DCEU)

Manu Bennett

as Deathstroke in The Suicide Squad

Sophie Turner

as Killer Frost in The Suicide Squad

Russell Crowe

as Scarecrow in The Suicide Squad

Haley Bennett

as Poison Ivy in The Suicide Squad