The fan-driven fight tournament for Injustice: Gods Among Us has moved into round 4, with Superman fighting Sinestro and Green Arrow taking on Hawkgirl.  The campaign dubbed “Injustice Battle Arena” is developed by Warner Bros. and Ayzenberg.  It asks fans to vote on the outcome of fights in a bracket tournament pitting superheroes and super villains against one another.  The champion will be decided in April.

For each round, celebrities with comic cred weigh in on who should win.  Here George Newbern, voice of Cartoon Network’s Superman, picks his fight favorite.  It’s Superman.