Suggestions by @shazap

Dakota Johnson

as Silk spectre II in Watchmen

Score: +1

David Harbour

as Comedian in Watchmen

Score: +1

Toby Leonard Moore

as Nite owl II in Watchmen

Score: +1

Michael Fassbender

as Doctor manhattan in Watchmen

Score: +2

Aaron Paul

as Rorschach in Watchmen

Score: 0

Ana de Armas

as Catwoman in New Batman universe

Score: +1

Jason Alexander

as Penguin in New Batman universe

Score: +1

Anya Taylor-Joy

as Harley Quinn in New Batman universe

Score: +1

Jensen Ackles

as Batman in New Batman universe

Score: +1

Oscar Isaac

as Two-face in New Batman universe

Score: +1

Adam Driver

as Scarecrow in New Batman universe

Score: +1

Bill Skarsgård

as Joker in New Batman universe

Score: +1

Robert Pattinson

as Batman in New Batman universe

Score: 0

Morgan Freeman

as Black mask in The best possible Batman cast

Score: +1

Glen Powell

as Bruce Wayne (child) in The best possible Batman cast

Score: +1

Jack Black

as Ra’s al ghul in The best possible Batman cast

Score: +1

Henry Cavill

as Penguin in The best possible Batman cast

Score: +1

Henry Winkler

as Superman in The best possible Batman cast

Score: +1

CGI/Special Effects

as Stan Lee in The best possible Batman cast

Score: +1

Don Pollo

as Mister freeze in The best possible Batman cast

Score: +1