Gotham�s never been so scorching, the Joker�s never been more despicable, and Batman�s never been in such grave danger.With more than thirty fires raging out of control across the city, Gotham is indeed a hell on earth. But torching the population is small potatoes for the arsonist extraordinaire known as Enfer. The pyromaniac�s mad masterpiece is Arkham Asylum, blazing like a Roman candle and engineered to provide the perfect escape for Arkham�s most infamous inmate, the Joker. But the dire situation goes from bad to beyond monstrous when the archvillain�s path to freedom leads directly to the Dark Knight�s cave.The Joker believes in striking while the iron is hot . . . and now it�s never been hotter. After all, the diabolical villain has devised the ultimate joke: launch the mother of all crime waves, masquerading as the Caped Crusader himself! With Gotham erupting in flames and its #1 crime fighter fast becoming its #1 enemy, the burning question is: Who�s going to get the last laugh?