Suggestions by @underworld_stories

Karl Urban

as Slade Wilson in Green Arrow: The Terminator

Charlie Hunnam

as Oliver Queen in Green Arrow: The Terminator

Dylan O'Brien

as Richard "Dick" Grayson in Batman and Robin: Arkham City

Jon Hamm

as Bruce Wayne in Batman and Robin: Arkham City

Christopher Judge

as Darkseid in The Justice League

Jensen Ackles

as Hal Jordan in The Justice League

Zac Efron

as Shazam in The Justice League

Katheryn Winnick

as Dinah Drake in The Justice League

Patrick Stewart

as Martin Stein in The Justice League

Jamie Dornan

as Carter Hall in The Justice League

Tom Holland

as Ronald Raymond in The Justice League

Joel McHale

as Ray Palmer in The Justice League

Charlie Hunnam

as Oliver Queen in The Justice League

Lucas Till

as Barry Allen in The Justice League

Jon Hamm

as Bruce Wayne in The Justice League

Krysten Ritter

as Lisa Snart in The Flash: Into the Dark Side

Robert Pattinson

as Evan McCulloch in The Flash: Into the Dark Side

Sadie Sink

as Iris West in The Flash: Into the Dark Side

Timothée Chalamet

as Hartley Rathaway in The Flash: Into the Dark Side

KJ Apa

as Wally West in The Flash: Into the Dark Side