"Back to Baghdad: Chapter Three of Arabian Nights (and Days)" is the forty-fourth issue of Fables.
Publisher's summary
Part 3 of the 4-part "Arabian Nights (and Days)." The all-powerful d'jinn is loose and has been ordered to destroy most of Fabletown unless Prince Charming can think of a way to undo what the d'jinn's master has wished. Unfortunately, there's no way to take back wishes once spoken.
Plot
Boy Blue empties the Witching Cloak out of books and papers about the Adversary. The genie starts killing people that Yusuf wanted him to, the first one being devoured by rats. The Fables in the Business Office have guns and arrest the Arabian Fables while the genie finishes killing everyone on Yusuf's list. Boy Blue tells Flycatcher that he is heading to the Farm, meanwhile Kay and the other Dables interrogate the Arabian Fables. Frau reveals to Yusuf that she put a spell on him which make him command the genie to kill him as the second wish without him knowing. The genie comes to Yusuf and prepares to devour him.