Suggestions by @nathanholmes

Chris Evans

as Captain Atom in Injustice Year 1

Ruby Rose

as Batwoman in Injustice Year 1

Mary Elizabeth Winstead

as Huntress in Injustice Year 1

Cress Williams

as Black Lightning in Injustice Year 1

Katheryn Winnick

as Black Canary in Injustice Year 1

Summer Glau

as Elizabeth “Betsy” Braddock in Marvel Cinematic Universe

Lucas Till

as Alex Summers in Marvel Cinematic Universe

Gerard Butler

as Blackagar Boltagon in Marvel Cinematic Universe

Jessie Buckley

as Elsa Bloodstone in Marvel Cinematic Universe

Billie Piper

as Emma Frost in Marvel Cinematic Universe

Jeremy Irons

as Alfred Pennyworth in Injustice Year 1

Morena Baccarin

as Catwoman in Injustice Year 1

Fred Tatasciore

as Solomon Grundy in Injustice Year 1

Aaron Eckhart

as Two-Face in Injustice Year 1

Jason Momoa

as Aquaman in Injustice Year 1

Aidan Gallagher

as Robin in Injustice Year 1

Dylan O'Brien

as Nightwing in Injustice Year 1

Sean Bean

as Ares in Injustice Year 1

Millie Bobby Brown

as Raven in Injustice Year 1

Asher Angel

as Billy Batson in Injustice Year 1