Suggestions by @jertroiano

Emily Blunt

as Susan Strom in X-Men and Fantastic Four MCU

Score: +8

John Krasinski

as Reed Richards in X-Men and Fantastic Four MCU

Score: +17

John Boyega

as Hank McCoy in X-Men and Fantastic Four MCU

Score: -3

Dacre Montgomery

as Warren Worthington III in X-Men and Fantastic Four MCU

Score: +1

Joe Keery

as Bobby Drake in X-Men and Fantastic Four MCU

Score: -4

Maya Hawke

as Jean Grey in X-Men and Fantastic Four MCU

Score: -6

Logan Lerman

as Scott Summers in X-Men and Fantastic Four MCU

Score: -8

Christoph Waltz

as Magneto in X-Men and Fantastic Four MCU

Score: +2

Bryan Cranston

as Charles Xavier in X-Men and Fantastic Four MCU

Score: +1