As the bank's alarms blared, panic ensued among both the bank staff and the few customers present. But even the Joker couldn't predict everything. As the explosion thundered, he was thrown off balance by the force of the blast. His maniacal laughter turned into startled yelps as he stumbled backward, his polished shoes slipping on the slick, rain-soaked pavement. With a resounding thud, he fell onto his backside, landing unceremoniously in a murky gutter that meandered alongside the bank.