Suggestions by @georgerichard

Brie Larson

as Jaina Solo in Star Wars

Score: +1

Chris Evans

as Jacen Solo in Star Wars

Score: +2

Tom Cruise

as Tony Stark in Tom Cruise's Iron Man

Score: +2

Matthew McConaughey

as Norman Osborn in Armor Wars

Score: +7

Nicolas Cage

as Arno Stark in Armor Wars

Score: 0

Isla Fisher

as Bethany Cabe in Armor Wars

Score: 0

Sam Rockwell

as Iron Man in Secret Invasion (Not MCU Canon)

Score: +1

Nicolas Cage

as Iron Man in Secret Invasion (Not MCU Canon)

Score: +1

Tom Cruise

as Iron Man in Secret Invasion (Not MCU Canon)

Score: +1

Robert Downey Jr.

as Iron Man in Secret Invasion (Not MCU Canon)

Score: +1

Christian Bale

as Mister Fantastic in Secret Invasion (Not MCU Canon)

Score: +1

John Krasinski

as Mister Fantastic in Secret Invasion (Not MCU Canon)

Score: +1

Matthew McConaughey

as Norman Osborn in Secret Invasion (Not MCU Canon)

Score: +1

Robert Duvall

as Edwin Jarvis in Iron Man

Score: +1

Michael Caine

as Michael Caine in X-MEN

Score: +1

Stan Lee

as Stan Lee in X-MEN

Score: +1

Faran Tahir

as Raza in Iron Man

Score: +1

Stan Lee

as Himself in Iron Man

Score: +1

Isla Fisher

as Bethany Cabe in Iron Man

Score: +1

Harrison Ford

as Justin Hammer in Iron Man

Score: +1