Suggestions by @aheadswordgu

Jason Momoa

as Aqauman in Suicide Squad

Score: +1

Wayne T. Carr

as Green lantern in Suicide Squad

Score: +2

Gal Gadot

as Wonder woman in Suicide Squad

Score: +2

Tyler Hoechlin

as Superman in Suicide Squad

Score: +1

Robert Pattinson

as Batman in Suicide Squad

Score: 0

Xolo Maridueña

as Blue beatle in Teen titans

Score: +1

James Norton

as Green lantern/guy. gardner in Green lantern corps

Score: +3

Victoria Justice

as Green lantern/ jessica cruz in Green lantern corps

Score: +1

Connor Leslie

as Wonder girl in Titans

Score: +1

Colton Haynes

as Speedy in Titans

Score: +1

Drew Van Acker

as Aqualad in Titans

Score: +1

KJ Apa

as Kid flash in Titans

Score: +1

Tyler Hoechlin

as Bizzaro in Super family/house of el

Score: +2

Noah Schnapp

as Jimmy olsen in Super family/house of el

Score: +2

Dove Cameron

as Spolier in My dceu Batfamily

Score: +2

Ella Jay Basco

as Black bat in My dceu Batfamily

Score: +3

Morgan Freeman

as Luicis fox in My dceu Batfamily

Score: +2

Claire Cortlett

as Bluebird in My dceu Batfamily

Score: +2

Mary Elizabeth Winstead

as Huntress in My dceu Batfamily

Score: +2

Emilia Clarke

as Talia al ghul in My dceu Batfamily

Score: +2