Suggestions by @milesyeargain

Will Smith (Falcon)

as Falcon in Avengers: Age of Ultron (2005)

Paul Bettany

as Vision in Avengers: Age of Ultron (2005)

Chad Michael Murray (Young)

as Quicksilver in Avengers: Age of Ultron (2005)

Natalie Portman (20s)

as Scarlet Witch in Avengers: Age of Ultron (2005)

Ethan Hawke

as Hawkeye in Avengers: Age of Ultron (2005)

Rachel Weisz

as Black Widow in Avengers: Age of Ultron (2005)

Heath Ledger (Thor)

as Thor in Avengers: Age of Ultron (2005)

Christian Slater

as The Incredible Hulk in Avengers: Age of Ultron (2005)

Paul Walker

as Captain America in Avengers: Age of Ultron (2005)

FAKE

as Iron Man in Avengers: Age of Ultron (2005)

Neve Campbell

as Nebula in Guardians of The Galaxy (2004)

Dennis Hopper

as Yondu in Guardians of The Galaxy (2004)

Kevin Spacey

as Ronan The Accuser in Guardians of The Galaxy (2004)

Frank Weller

as Groot in Guardians of The Galaxy (2004)

Joe Pesci

as Rocket Raccon in Guardians of The Galaxy (2004)

Stone Cold Steve Austin

as Drax The Destoyer in Guardians of The Galaxy (2004)

Halle Berry

as Gamora in Guardians of The Galaxy (2004)

Brendan Fraser

as Star Lord in Guardians of The Galaxy (2004)

Chuck Zito

as Brock Rumlow in Captain America: Winter Soldier (2004)

Sandra Bullock

as Maria Hill in Captain America: Winter Soldier (2004)