Suggestions by @joshthomas

Margot Robbie

as Harley Quinn in Batman/Teenage Mutant Ninja Turtles

Ken Watanabe

as The Shredder in Batman/Teenage Mutant Ninja Turtles

Jared Leto

as The Joker in Batman/Teenage Mutant Ninja Turtles

Kathryn Newton

as Venus in Batman/Teenage Mutant Ninja Turtles

Hiroyuki Sanada

as Splinter in Batman/Teenage Mutant Ninja Turtles

Jeremy Irons

as Alfred Pennyworth in Batman/Teenage Mutant Ninja Turtles

Tom Holland

as Michelangelo in Batman/Teenage Mutant Ninja Turtles

Lucas Hedges

as Donatello in Batman/Teenage Mutant Ninja Turtles

Dacre Montgomery

as Raphael in Batman/Teenage Mutant Ninja Turtles

Ben Affleck

as Batman in Batman/Teenage Mutant Ninja Turtles

Karl Urban

as Batman in Batman/Teenage Mutant Ninja Turtles

Yetide Badaki

as Storm in Black panther wakadan quest

Tom Hardy

as Wolverine in Black panther wakadan quest

Dacre Montgomery

as Human Torch in Black panther wakadan quest

Will Smith

as War Machine in Iron Man Trilogy

Tom Cruise

as Iron Man in Iron Man Trilogy

Karl Urban

as Batman in Gotham Knights

Evan Rachel Wood

as Batwomen in Gotham Knights

Jane Levy

as Batgirl in Gotham Knights

Dylan O'Brien

as Nightwing in Gotham Knights