Suggestions by @t_man900

Sebastian Stan

as Winter Solider in Black Panther

Score: +1

Raúl Castillo

as Namor in Black Panther

Score: +1

Danai Gurira

as Okoye in Black Panther

Score: +1

Angela Bassett

as Ramonda in Black Panther

Score: +1

Letitia Wright

as Shuri in Black Panther

Score: +1

Andy Serkis

as Klaw in Black Panther

Score: +1

John Kani

as T'Chaka in Black Panther

Score: +1

Lupita Nyong'o

as Nakia in Black Panther

Score: +1

Aldis Hodge

as Black Panther/T'Challa in Black Panther

Score: +1

Idris Elba

as Heimdall in Thor: Ragnarok

Score: +1

Clancy Brown

as Surtur in Thor: Ragnarok

Score: +1

Morgan Freeman

as Those Who Sit Above in Shadow in Thor: Ragnarok

Score: +1

Lena Headey

as Gaea in Thor: Ragnarok

Score: +1

Sullivan Stapleton

as Tyr odinson in Thor: Ragnarok

Score: +1

Michael Roark

as Hermod Odinson in Thor: Ragnarok

Score: +1

Pablo Schreiber

as Beta Ray Bill in Thor: Ragnarok

Score: +1

Jaimie Alexander

as Lady sif in Thor: Ragnarok

Score: +1

Jennifer Hoffman

as Amora the enchantress in Thor: Ragnarok

Score: -1

Tom Hiddleston

as Loki's head in Thor: Ragnarok

Score: +1

Karl Urban

as Skurge in Thor: Ragnarok

Score: +1