Suggestions by @fenneclord

Daisy Ridley

as Black Canary in DCEU Fancast

Score: -2

John Krasinski

as Green Lantern in DCEU Fancast

Score: -1

John Boyega

as Cyborg in DCEU Fancast

Score: +2

Gal Gadot

as Wonder Woman in DCEU Fancast

Score: +6

Michael B. Jordan

as Superman in DCEU Fancast

Score: +1

Colin Farrell

as Batman in DCEU Fancast

Score: -4