Suggestions by @yosefalsalamah

Lauren Cohan

as Joker in Justice League Flashpoint

Jessica Parker Kennedy

as Nora Allen in Justice League Flashpoint

Negan

as Batman in Justice League Flashpoint

Christian Bale

as Hannibal King in Adventure Into Fear

Argiris Karras

as Frank Drake in Adventure Into Fear

Jeff Bridges

as Modred the Mystic in Adventure Into Fear

Jessica Chastain

as Giganta in Batman and Superman: Public Enimies

Shia LaBeouf

as Bucky Barnes in MCU characters played by dc (role reverse)

Shaquille O'Neal

as Heimdall in MCU characters played by dc (role reverse)

Arnold Schwarzenegger

as Drax in MCU characters played by dc (role reverse)

Patrick Wilson

as Agent Coulson in MCU characters played by dc (role reverse)

ITSMEJENNAE

as Jenna Ezarik in Youtube: The Movie

Thomas Kretschmann

as Baron Strucker in Nick Fury

Scarlett Johansson

as Natasha Romanoff in Nick Fury

Jeremy Renner

as Clint Barton in Nick Fury

Cobie Smulders

as Maria Hill in Nick Fury

Clark Gregg

as Phil Coulson in Nick Fury

Samuel L. Jackson

as Nick Fury in Nick Fury

Oscar Isaac

as Moon Knight in MCU Midnight Sons

Christopher Eccleston

as Jonathan Crane in Superman: Grounded