Suggestions by @oscar09

John Boyega

as Ksi in Youtube

Score: +1

David Tennant

as Riddler in Static Shock! Rebirth of the Cool

Score: +3

Samara Weaving

as Felicia Hardy in Live action spider man tv show

Score: 0

Stephanie Beatriz

as Batwoman in Every Batman Character

Score: -3

Ansel Elgort

as Nightwing in Every Batman Character

Score: -10

Joe Keery

as Firefly in Every Batman Character

Score: 0

Pedro Pascal

as Deathstroke in Every Batman Character

Score: +3

David Harbour

as The Thing in Captain America Civil War(Alternate Version)

Score: +1

Andy Samberg

as Iron Man in Captain America Civil War(Alternate Version)

Score: 0

Laurence Fishburne

as Professor X in Characters who have not appeared, but should appear, in the MCU

Score: -17

Pedro Pascal

as Ivan Vanko in Iron Man (TV show)

Score: +2

Andy Samberg

as Tony Stark in Iron Man (TV show)

Score: -6

Dylan Minnette

as Louie Jeffords in The Antics Of The Smith Family

Score: +1

Hailee Steinfeld

as Alexa Smith in The Antics Of The Smith Family

Score: +1

Eiza González

as Alexa Smith in The Antics Of The Smith Family

Score: -1

Luke Evans

as Captain Seth Thompson in The Antics Of The Smith Family

Score: +1

Helena Bonham Carter

as Sarah Smith in The Antics Of The Smith Family

Score: +1

Ezra Miller

as Hunter Smith in The Antics Of The Smith Family

Score: +1

Woody Harrelson

as Joe Smith in The Antics Of The Smith Family

Score: +1