A Dark Wolverine / Franken-Castle Crossover! Daken, reeling from his father's betrayal, heads to Japan in search of Muramasa, the legendary mystic swordsmith...only to come face-to-face with a ghost from his recent past-the monstrous Franken-Castle! The last time these two met, it ended with Frank Castle in pieces, lying dead in the sewer. It's time for revenge. And Daken couldn't agree more...