Suggestions by @rileycrane

Dan Stevens

as Green Arrow in DCEU Recast

Score: +1

Blake Lively

as Black Canary in DCEU Recast

Score: +1

Andrew Garfield

as Flash in DCEU Recast

Score: +1

Jude Law

as Lex Luthor in DCEU Recast

Score: +1

Emilia Clarke

as Mera in DCEU Recast

Score: +1

Isla Fisher

as Lois Lane in DCEU Recast

Score: +1

Luke Evans

as Sinestro in DCEU Recast

Score: +1

Jason Momoa

as Aquaman in DCEU Recast

Score: +1

Michael Fassbender

as Green Lantern in DCEU Recast

Score: +1

Gal Gadot

as Wonder Woman in DCEU Recast

Score: +2

Robert Pattinson

as Batman in DCEU Recast

Score: +1

Henry Cavill

as Superman in DCEU Recast

Score: -1

Lucas Hedges

as Dick Grayson (Robin/Nightwing) in All Superheroes and Villains (DC, Marvel, & Dark Horse Comics)

Score: -1

Michael Fassbender

as Hal Jordan (Green Lantern) in All Superheroes and Villains (DC, Marvel, & Dark Horse Comics)

Score: -2

Michael Fassbender

as Green Lantern 2814.1 in DC Extended Universe

Score: -2