Suggestions by @tuxtaman

Dylan O'Brien

as Nightwing in DC

Dacre Montgomery

as Red Hood in DC

James Marsden

as Green Lantin in DC

Charlie Hunnam

as Green Arrow in DC

Jack Quaid

as Flash in DC

Milly Alcock

as Supergirl in DC

Roman Reigns

as Aquaman in DC

Alyssa Diaz

as Wonder Women in DC

Willem Dafoe

as Joker in DC

Alan Ritchson

as Batman in DC

Jensen Ackles

as Batman in DC

David Corenswet

as Superman in DC

Rowan Atkinson

as Hulk in The Avengers Reboot

Aubrey Anderson-Emmons

as Surge in Marvel Ultimate universe

Riley Lai Nelet

as Nico Minoru in Marvel Ultimate universe

Ian Ho

as Amano in Marvel Ultimate universe

Ian Ho

as Nico Minoru in Marvel Ultimate universe

MIYAKO

as Maystorm in Marvel Ultimate universe

Gordon Cormier

as Tsubasa in Marvel Ultimate universe

Mark William Calaway

as Shadow King in Marvel Ultimate universe