"Impostors" continues here! Madness and mayhem face off against law and order for control of Gotham City, and not even the Batman is safe! With The Joker Impostor leading the charge of chaos and filling the streets of Gotham with his army of Jokerz, the ranks of the Batman Impostor's army grow thanks to regular citizens choosing sides and taking up arms. But what is Impostor Joker's ultimate goal – and what does it have to do with the real Dark Knight and Clown Prince of Crime?
DETECTIVE COMICS #869