Suggestions by @kyogiro

Jacob Tremblay

as Franklin Richards in Characters who have not appeared, but should appear, in the MCU

Vincent D'Onofrio

as Kingpin in Characters who have not appeared, but should appear, in the MCU

Madelaine Petsch

as Mary Jane Watson in Characters who have not appeared, but should appear, in the MCU

Katherine McNamara

as Mary Jane Watson in Characters who have not appeared, but should appear, in the MCU

Harrison Ford

as Galactus in Characters who have not appeared, but should appear, in the MCU

Jackie Chan

as Fing Fang Foom in Characters who have not appeared, but should appear, in the MCU

Daniel Radcliffe

as The Silver Surfer in Characters who have not appeared, but should appear, in the MCU

Timothée Chalamet

as Harry Osborn in Characters who have not appeared, but should appear, in the MCU

Logan Lerman

as Harry Osborn in Characters who have not appeared, but should appear, in the MCU

Charlie Cox

as Daredevil in Characters who have not appeared, but should appear, in the MCU

Cameron Monaghan

as Carnage in Characters who have not appeared, but should appear, in the MCU

James McAvoy

as Professor X in Characters who have not appeared, but should appear, in the MCU

Patrick Stewart

as Professor X in Characters who have not appeared, but should appear, in the MCU

Johnny Depp

as Doctor Doom in Characters who have not appeared, but should appear, in the MCU

Michael Fassbender

as Magneto in Characters who have not appeared, but should appear, in the MCU

Ian McKellen

as Magneto in Characters who have not appeared, but should appear, in the MCU

Kiernan Shipka

as Gwen Stacy in Characters who have not appeared, but should appear, in the MCU

Deep Roy

as MODOK in Characters who have not appeared, but should appear, in the MCU

Taron Egerton

as Cyclops in Characters who have not appeared, but should appear, in the MCU

Alan Ritchson

as Eddie Brock in Characters who have not appeared, but should appear, in the MCU