Suggestions by @juz1n

Zendaya

as Starfire in The Perfect Batman Movie

+58-44Score: +14

Michael Fassbender

as Victor Von Doom in The Fantastic Four

+1-3Score: -2

Janelle Monáe

as Storm in What if the X-Men were cast today

+8-1Score: +7

Kevin Hart

as HERBIE in Ultimate Spider-Man and the Fantastic Four

+1-1Score: 0

Jim Parsons

as HERBIE in Ultimate Spider-Man and the Fantastic Four

+6-0Score: +6