Suggestions by @aaronkime

Kathryn Newton

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

Arnold Schwarzenegger

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

Tenoch Huerta Mejía

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

Chris Milligan

as A-Bomb in Characters who have not appeared, but should appear, in the MCU

Gary Oldman

as Beta Ray Bill in Characters who have not appeared, but should appear, in the MCU

Willem Dafoe

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

Benedict Samuel

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

Tyler Posey

as Spider-Man 2099 in Characters who have not appeared, but should appear, in the MCU

Ryan Hurst

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

Rosie Huntington-Whiteley

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

Luke Bracey

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

Mark Strong

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

Steve Peacocke

as Mr. Fantastic in Characters who have not appeared, but should appear, in the MCU

Georgina Haig

as The Invisible Woman in Characters who have not appeared, but should appear, in the MCU

Todd Lasance

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

Leonardo DiCaprio

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

Joe Alwyn

as The Human Torch in Characters who have not appeared, but should appear, in the MCU

Kristin Scott Thomas

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

Ivanna Sakhno

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

Mavournee Hazel

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