Suggestions by @allday_fancast

Pedro Pascal

as Actors in Actors who could play Batman

Score: -1

David Corenswet

as Actors in Actors who could play Batman

Score: -1

Christopher Abbott

as Superman in DC Extended Universe Recasted

Score: -4

Robert Pattinson

as Batman in DC Extended Universe Recasted

Score: 0

Charlie Cox

as Daredevil in TASM UNIVERSE

Score: +1

Brad Pitt

as Arthur Morgan in Redemption (Season 1)

Score: +2

Pedro Pascal

as John Marston in Redemption (Season 1)

Score: 0

Edward Norton

as Dr.Bruce Banner in TASM UNIVERSE

Score: +1

Jamie Bell

as Ben Grimm in TASM UNIVERSE

Score: +1

Michael B. Jordan

as Johnny Storm in TASM UNIVERSE

Score: +1

Kate Mara

as Sue Storm in TASM UNIVERSE

Score: +1

Miles Teller

as Reed Richards in TASM UNIVERSE

Score: +1

Andrew Garfield

as Spider-man in TASM UNIVERSE

Score: +1

Matt Dillon

as Green Goblin in The Spectacular Spider-Man 3 (1989)

Score: +2

Bruce Greenwood

as Batman (DKR & DKSA) in DC Animated Miller Verse

Score: 0

Nolan North

as Superman (All Star Batman And Robin) in DC Animated Miller Verse

Score: +2

Rahul Kohli

as Scarecrow in Batman:Holiday Knights

Score: +1

Jeff Goldblum

as Riddler in Batman:Holiday Knights

Score: 0

Mila Kunis

as Catwoman in Batman:Holiday Knights

Score: +2

Christoph Waltz

as Mr.Freeze in Batman:Holiday Knights

Score: +3