You know you’re at San Diego Comic-Con when you hear that Luke Skywalker himself has traded in his X-wing for a ride (or at least a brief sit-down) in the Batmobile.

Genre-wise, it’s really not that much of a stretch. True Hamill fans know that the actor was the voice of the Joker in “Batman: The Animated Series” as well as the “Arkham Asylum” and “Arkham City” video games.