Suggestions by @misterkinish

Michiel Huisman

as Kanan Jarrus in Star Wars: Rebels

+1-1Score: 0

Rashida Jones

as Lois Lane in The Man of Steel 2013 (Christopher Nolan version)

+1-0Score: +1

Rashida Jones

as Lois Lane in The Perfect Superman Movie

+1-1Score: 0

Rashida Jones

as Lois Lane in Superman

+3-2Score: +1

Amanda Seyfried

as Catwoman in The Perfect Batman Movie

+24-15Score: +9

Amanda Leighton

as Agnetha Fältskog in ABBA Biopic

+4-3Score: +1