Welcome to the HOUSE OF MYSTERY HALLOWEEN ANNUAL where this year the tricks and treats are even more spooky. So take a look inside for a sampling of what's in store. HOUSE OF MYSTERY by Matt Sturges and artist Luca Rossi MADAME XANADU by Matt Wagner and artist Brandon Graham HELLBLAZER: John Constantine by Peter Milligan and artist Giuseppe Camuncoli iZOMBIE by Chris Roberson and artist Mike Allred LUCIFER by Mike Carey and artist Peter Gross