Suggestions by @bigwetbread

Jeffrey Dean Morgan

as Ultron in Avengers: Age Of Ultron

Score: +1

Lennie James

as Nick Fury in Avengers: Age Of Ultron

Score: +1

Jensen Ackles

as Clint Barton in Avengers: Age Of Ultron

Score: +1

Emily Blunt

as Natasha Romanoff in Avengers: Age Of Ultron

Score: +1

Nicholas Hoult

as Bruce Banner in Avengers: Age Of Ultron

Score: +1

Liam Hemsworth

as Steve Rodgers in Avengers: Age Of Ultron

Score: +1

Tom Hopper

as Thor in Avengers: Age Of Ultron

Score: +2

James McAvoy

as Tony Stark in Avengers: Age Of Ultron

Score: +1

Ioan Gruffudd

as The Collector in Guardians Of The Galaxy

Score: +1

Kate Winslet

as Nova Prime in Guardians Of The Galaxy

Score: +1

Steve Carell

as Corpsman Dey in Guardians Of The Galaxy

Score: +1

Chiwetel Ejiofor

as Korath in Guardians Of The Galaxy

Score: +1

Gal Gadot

as Nebula in Guardians Of The Galaxy

Score: +1

Laz Alonso

as Yondu in Guardians Of The Galaxy

Score: +1

Christopher Meloni

as Ronan in Guardians Of The Galaxy

Score: +1

Danny DeVito

as Rocket in Guardians Of The Galaxy

Score: +1

James Earl Jones

as Groot in Guardians Of The Galaxy

Score: +1

John Cena

as Drax in Guardians Of The Galaxy

Score: +1

Eleanor Matsuura

as Gamora in Guardians Of The Galaxy

Score: +1

Max Greenfield

as Peter Quill in Guardians Of The Galaxy

Score: +1