DC Comics' "Batman: The Dark Knight" #4, available July 27, 2011, is written by David Finch, with illustrations by Finch, Scott Williams and covers by Finch, Andy Clarke :
"...'Etrigan the Demon' has loyalties stretched to their breaking point, and when he chooses sides, an epic battle ensues with 'Batman'.
"The victor can only be decided with the help of a new friend, but there's no time to spare for infighting, because 'Gotham City' is being overrun by a demon horde..."
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