Suggestions by @nerdperson

Bill Skarsgård

as Scarecrow in Matt Reeve's Batman 2nd movie in Trilogy

Score: +1

Johnny Depp

as Clayface in Matt Reeve's Batman 2nd movie in Trilogy

Score: +1

Auliʻi Cravalho

as Magma in X Men Fan Cast

Score: +2

Ryan Reynolds

as Juggernaut in X Men Fan Cast

Score: +3

Ethan Suplee

as Juggernaut in X Men Fan Cast

Score: +3

Miles Teller

as Cyclops in X Men Fan Cast

Score: -1

Tom Hopper

as Cyclops in X Men Fan Cast

Score: -1

Austin Butler

as Gambit in X Men Fan Cast

Score: +4

Alexander Ludwig

as Angel in X Men Fan Cast

Score: +2

Felix Kammerer

as Nightcrawler in All the X-Men Characters

Score: +2

Bobby Cannavale

as Black Mask in The Injustice Trilogy

Score: +1

Kiernan Shipka

as Zatanna in The Injustice Trilogy

Score: 0

Hailee Steinfeld

as Zatanna in The Injustice Trilogy

Score: 0

Pedro Pascal

as Deadshot in The Injustice Trilogy

Score: +1

Austin Butler

as Victor Zsasz in The Injustice Trilogy

Score: +1

Mark Hamill

as Detective Chimp in The Injustice Trilogy

Score: +1

Asim Chaudhry

as Detective Chimp in The Injustice Trilogy

Score: 0

Stephen Fry

as Detective Chimp in The Injustice Trilogy

Score: +1

Andy Serkis

as Detective Chimp in The Injustice Trilogy

Score: +1

Dan Stevens

as John Constantine in The Injustice Trilogy

Score: +1