Suggestions by @sebh

Paul Thomas Anderson

as Director in Magnolia (2008)

Score: +1

Steven Soderbergh

as Director in X-Men

Score: +1

Steven Soderbergh

as X-Men in Best directors for certain comic book movies

Score: +1

Darren Aronofsky

as Wolverine in Best directors for certain comic book movies

Score: +1

Andrei Tarkovsky

as Director in The Lord of the Rings (1980)

Score: -1

Jesse Heiman

as Last Dragonborn in The Elder Scrolls: Skyrim

Score: -5

Dana Ashbrook

as Jonathan Byers in Stranger Things (1986)

Score: -2