Suggestions by @harveybaines1

Aaron Taylor-Johnson

as Quicksilver in Justice League vs Avengers

Jeremy Renner

as Hawkeye in Justice League vs Avengers

Greg Furman

as Thor in Justice League vs Avengers

Chris Hemsworth

as Thor in Justice League vs Avengers

Josh Keaton

as Captain America in Justice League vs Avengers

Chris Evans

as Captain America in Justice League vs Avengers

Mick Wingert

as Iron Man in Justice League vs Avengers

Robert Downey Jr.

as Iron Man in Justice League vs Avengers

Keanu Reeves

as Plastic Man in Justice League vs Avengers

Carl Lumbly

as Martian Manhunter in Justice League vs Avengers

Phil LaMarr

as Green Lantern in Justice League vs Avengers

Common

as Green Lantern in Justice League vs Avengers

Jeffrey Wright

as The Watcher in Justice League vs Avengers

Adam Brody

as The Flash in Justice League vs Avengers

Santiago Carbera.

as Aquaman in Justice League vs Avengers

Megan Gale

as Wonder Woman in Justice League vs Avengers

D.J. Cotrona

as Superman in Justice League vs Avengers

Armie Hammer

as Batman in Justice League vs Avengers

Laurence Fishburne

as Perry white in Justice League vs Avengers: Showdown of the Century

Milo Ventimiglia

as Morty in Justice League vs Avengers: Showdown of the Century