Suggestions by @joshthomas

Ralph Fiennes

as Professor X in X-Men

Zazie Beetz

as Domino in X-Men

Josh Brolin

as Cable in X-Men

Ryan Reynolds

as Deadpool in X-Men

Timothée Chalamet

as Nightcrawler in X-Men

Alexandra Daddario

as Rogue in X-Men

Dylan O'Brien

as Bobby Drake in X-Men

Taron Egerton

as Scott Summers in X-Men

RJ Cyler

as David Alleyne in Young Avengers

Ross Lynch

as Tommy Shepherd in Young Avengers

Ashton Sanders

as Eli Bradley in Young Avengers

Nick Robinson

as Billy Kaplan in Young Avengers

Becky G

as America Chavez in Young Avengers

Katherine Langford

as Kate Bishop in Young Avengers

Laurence Fishburne

as Galactus in Guardians of the Galaxy Vol. 3

Vin Diesel

as Rocksteady in Teenage Mutant Ninja Turtles: Origins

Quinton 'Rampage' Jackson

as Bebop in Teenage Mutant Ninja Turtles: Origins

Hiroyuki Sanada

as Master Splinter in Teenage Mutant Ninja Turtles: Origins

Lucas Hedges

as Donatello in Teenage Mutant Ninja Turtles: Origins

Ansel Elgort

as Leonardo in Teenage Mutant Ninja Turtles: Origins