See the Hulk as you’ve never seen him before: as an international super-spy! With Amadeus Cho as his guide, Hulk dons a tuxedo and enters into a world of espionage, only to find his opponent is…Red She-Hulk? And what happens when Betty finds a new man? Hint: it doesn't really go over that well…especially when that man is one of the Hulk's oldest foes!
WATCH: "Arrow" Season 4 Trailer Debuts Online