Suggestions by @avengergamer

DangMattSmith

as Charles Xavier in Mutants

Benicio del Toro

as Taneleer Tivan in The Avengers

Josh Brolin

as Thanos (cameo) in The Avengers

Michael James Shaw

as Corvus Glaive in The Avengers

Zac Efron

as Rick Jones in The Avengers

Maximiliano Hernández

as Jasper Sitwell in The Avengers

Halle Berry

as Kate Waynesboro in The Avengers

Jennifer Carpenter

as Janet Van Dyne in The Avengers

Tom Hiddleston

as Loki Laufeyson in The Avengers

Samuel L. Jackson

as Nick Fury Jr. in The Avengers

Robert Redford

as Alexander Pierce in The Avengers

Viggo Mortensen

as Anton Trojak in The Avengers

Peter Capaldi

as Dr.Vernon Van Dyne in The Avengers

Mark Ruffalo

as Bruce Banner in The Avengers

Chris Hemsworth

as Thor Odinson in The Avengers

Ewan McGregor

as Hank Pym in The Avengers

Chris Evans

as Steve Rogers in The Avengers

Robert Downey Jr.

as Tony Stark in The Avengers

Peter Capaldi

as Dr. Vernon van Dyne in Iron Man 2

Ansel Elgort

as Warren Worthington III in X-Men