DC Comics' "Justice League Dark" #7, now available, is written by Peter Milligan and illustrated by Daniel G Sampere, with a cover by Ryan Sook :
"...'vampires' across the world have gone berserk, attacking anyone and everyone with a pulse. Fearing her apocalyptic vision of the future has come to pass, 'Madame Xanadu' mobilizes the team to intervene. But everything the 'JL Dark' members know about how to slay a vampire is useless, for the world has changed..."