Suggestions by @alecroc

Denzel Washington

as Green Lantern II in Donnerverse DC Comics

Brenton Thwaites

as Peter Parker in Marvel's Spider-Man (2018)

Ryan Reynolds

as Hal Jordan (DCU Earth-2005) in Justice League/Avengers: Multiverse War

Tom Welling

as Cameos in Siegel & Shuster: Creators of a hero.

Richard Madden

as Jake Sully in Avatar (2019)

Dillon/Black RPM Ranger

as Post-Traumatic Stress Disorder in Diagnosing Fictional Characters (My version)

Eleven

as Post-Traumatic Stress Disorder in Diagnosing Fictional Characters (My version)

John Kreese

as PTSD in Diagnosing Fictional Characters (Spooky's Version)

Malcolm Wilkerson

as Autism in Diagnosing Fictional Characters (Spooky's Version)

Sydney Sweeney

as Christine Everhart in Iron Man (2028)

Avenger: Infinity War (MCU Movie)

as Movie #38 in Marvel Cinematic Universe (2000's)

Elizabeth Gillies

as Wonder Woman in The Many Loves of Superman

Keanu Reeves

as Dr Doom in Avengers Doomsday [2026]

Ben Affleck

as Sandman in The Amazing Spider-Man 3 (2017)

Bill Fagerbakke

as The Thing in New Voice Actors to Play Marvel and DC Characters

Ron Perlman

as The Thing in New Voice Actors to Play Marvel and DC Characters

Michael Rosenbaum

as Quicksilver in New Voice Actors to Play Marvel and DC Characters

Dan Ewing

as Batman in New Voice Actors to Play Marvel and DC Characters

Dylan O'Brien

as Peter Parker in Avengers (2017)

Zoe Saldaña

as Letty in Fast and Furious recast (2002-present)