THE FIRST APPEARANCE OF JOHN CONSTANTINE! The Swamp Thing is pondering questions about who–and what–he really is, but does he truly want the answers? Only a mysterious visitor cloaked in cigarettes and a trench coat seems to have them–and he’ll require certain services from Alec before he’s willing to share. The enigmatic and eminently cool John Constantine makes his DC debut–just in time for the end of the world!