We know you're a superfan, but just in case you were stuck under a rock yesterday, you can see the latest trailer for Warner Bros. Pictures' Justice League above.

Batman's fears prove out: Something dark is coming—we're looking at you, Steppenwolf—and the heroes must learn that divided, they're not enough. Only by working together can they save the world.  And themselves.

Justice League arrives in theaters November 17.  But you superfans already knew that.