Suggestions by @mycasteeeeeeeee

Ryan Handley

as Superman| in Cinematic Worlds Of DC

Score: -1

Zach McGowan

as Lobo in Cinematic Worlds Of DC

Score: +1

Jack Black

as Beast in MCU vs DCEU

Score: 0

Freddie Prinze Jr.

as The Wizard in Fantastic Four

Score: +1

Jacob Tremblay

as Franklin Richards in Fantastic Four

Score: +3

Joe Thomas

as Trapster in Fantastic Four

Score: +3

Daniel Craig

as Super Skrull in Fantastic Four

Score: +1

Rose McIver

as Alicia Masters in Fantastic Four

Score: +3

Mark Sheppard

as Puppet Master in Fantastic Four

Score: +3

Danny DeVito

as Mole Man in Fantastic Four

Score: +2

Henry Golding

as Namor in Fantastic Four

Score: +2

Steven Seagal

as Galactus in Fantastic Four

Score: +2

Jack Black

as Hank McCoy in Fantastic Four

Score: +2

Jurnee Smollett

as Dinah Lance in Green Arrow

Score: +1

Doug Jones

as Saint Walker in Green Lantern Corps

Score: +3

Walton Goggins

as Nekron in Green Lantern Corps

Score: +3

Seamus Davey-Fitzpatrick

as William Hand in Green Lantern Corps

Score: +1

Salma Hayek Pinault

as Lyssa Drak in Green Lantern Corps

Score: +2

Daniel Craig

as Atrocitus in Green Lantern Corps

Score: +1

David Tennant

as Larfleeze in Green Lantern Corps

Score: +2