Suggestions by @pedronascimento

Chloe Bennet

as Barbara Gordon in Batman and Robin (Arrowverse show set after Batwoman)

Score: -1

Tyler Hoechlin

as Superman in Batman and Robin (Arrowverse show set after Batwoman)

Score: +3

Dylan O'Brien

as Dick Grayson in Batman and Robin (Arrowverse show set after Batwoman)

Score: +2

Melissa Benoist

as Carol Danvers in Recast: The Avengers

Score: +1

Alexandra Daddario

as Beast Boy in Titans

Score: +1

Joseph David-Jones

as Arsenal in Titans

Score: +1

Zoey Deutch

as Oracle/Comissária Gordon in Titans

Score: +1

Danielle Campbell

as Troia in Titans

Score: +2

Patrick Dempsey

as Batman in Titans

Score: +1

Jon Hamm

as Batman in Titans

Score: +1

Katherine McNamara

as Oracle/Comissária Gordon in Titans

Score: +2

Steven R. McQueen

as Nightwing in Titans

Score: +2

Dylan O'Brien

as Nightwing in Titans

Score: +1

Brenton Thwaites

as Nightwing in Titans

Score: +1