Swamp Thing #49 1st Justice League Dark Cameo 1986 VF-

In the penultimate chapter of the American Gothic, Swamp Thing gathers forces to battle the monstrous evil that's vanquishing the world! Guest-starring Deadman, John Constantine and more! Written by Alan Moore, with art by Stan Woch and Alfredo Alcala. Cover by Stephen Bissette and John Totleben.