Suggestions by @shlomithamalka

Joshua Heuston

as Rex Sloan in Invincible

Score: -4

Jason Isaacs

as Cecil Stedman in Invincible

Score: 0

Ian Ousley

as Mark Grayson in Invincible

Score: -2

Josh Brolin

as Nolan Grayson in Invincible

Score: +3

Richard Madden

as Thor in The MCU; actor swap.

Score: -1

Natalie Portman

as Black Widow in The MCU; actor swap.

Score: +2

John Krasinski

as Captain America/Steve Rogers in The MCU; actor swap.

Score: +2

Benedict Cumberbatch

as Iron Man/Tony Stark in The MCU; actor swap.

Score: +2

Tadanobu Asano

as Murk in Finnias

Score: +1

Drea De Matteo

as Hila in Finnias

Score: +1

Daniel Brühl

as Orm Marius in Finnias

Score: +1

Jamie Foxx

as David Hyde in Finnias

Score: +1

Mads Mikkelsen

as Nuidis Vulko in Finnias

Score: +1

Michelle Pfeiffer

as Atlanna in Finnias

Score: +1

Aramis Knight

as La’gaan in Finnias

Score: +1

Halston Sage

as Dolphin (dc) in Finnias

Score: +1

Dave Bautista

as Nanaue in Finnias

Score: +1

Yasmeen Fletcher

as Tula in Finnias

Score: +1

Booboo Stewart

as Garth in Finnias

Score: +1

Aubrey Joseph

as Kaldur’aham in Finnias

Score: +1