Suggestions by @louiseccleston

Peter Berg

as Director in Black Canary And The Green Arrow

Score: +1

Kiernan Shipka

as Raven in Black Canary And The Green Arrow

Score: 0

Ashton Sanders

as Beast Boy in Black Canary And The Green Arrow

Score: +2

Amandla Stenberg

as Starfire in Black Canary And The Green Arrow

Score: 0

Dylan O'Brien

as Nightwing in Black Canary And The Green Arrow

Score: +2

Thomas Kretschmann

as Agent Osborne in Black Canary And The Green Arrow

Score: +2

Victoria Justice

as Cupid in Black Canary And The Green Arrow

Score: +7

Peter Stormare

as Count Vertigo in Black Canary And The Green Arrow

Score: +2

Travis Fimmel

as Green Arrow in Black Canary And The Green Arrow

Score: -1

Jurnee Smollett

as Black Canary in Black Canary And The Green Arrow

Score: +3

Matt Reeves

as Director in The Batman 3

Score: +1

Ewan McGregor

as Black Mask in The Batman 3

Score: +3

Cillian Murphy

as Scarecrow in The Batman 3

Score: +1

Richard Cetrone

as Clayface in The Batman 3

Score: +2

Javier Bardem

as Bane . in The Batman 3

Score: +3

Spencer Wilding

as Bane in The Batman 3

Score: +1

Margot Robbie

as Harley Quinn in The Batman 3

Score: +2

Zoë Kravitz

as Catwoman in The Batman 3

Score: +1

Dylan O'Brien

as Nightwing in The Batman 3

Score: +2

Andy Serkis

as Alfred Pennyworth in The Batman 3

Score: +1