Suggestions by @leon_imperator

Paul Rudd

as Scott Lang in Marvel Comics/Series/Movies Characters.

Ralph Fiennes

as Max Eisenhardt/Erik Lehnsherr in Marvel Comics/Series/Movies Characters.

Mark Strong

as Charles Xavier in Marvel Comics/Series/Movies Characters.

Florence Pugh

as Yelena Belova in Marvel Comics/Series/Movies Characters.

Hailee Steinfeld

as Kate Bishop in Marvel Comics/Series/Movies Characters.

Lucas Till

as Danny Rand in Marvel Comics/Series/Movies Characters.

Mike Colter

as Luke Cage in Marvel Comics/Series/Movies Characters.

Krysten Ritter

as Jessica Jones in Marvel Comics/Series/Movies Characters.

Brendan Fraser

as Ben Grimm in Marvel Comics/Series/Movies Characters.

Brandon Routh

as Reed Richards in Marvel Comics/Series/Movies Characters.

Katheryn Winnick

as Susan Storm in Marvel Comics/Series/Movies Characters.

Charlie Cox

as Matt Mudock in Marvel Comics/Series/Movies Characters.

Élodie Yung

as Elektra Natchios in Marvel Comics/Series/Movies Characters.

Jensen Ackles

as Johnny Blaze in Marvel Comics/Series/Movies Characters.

Taron Egerton

as James Logan Howlett in Marvel Comics/Series/Movies Characters.

Don Cheadle

as James Rhodes in Marvel Comics/Series/Movies Characters.

Jamie Foxx

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

Scott Eastwood

as Cyclops in MCU X-men

Ralph Fiennes

as Magneto in MCU X-men

Léa Seydoux

as Emma Frost in MCU X-men