From The DC Vault Death In The Family Robin Lives #4

JASON TODD AND THE JOKER - WORKING TOGETHER?! Over 30 years ago, history was made when fans voted to kill the second Robin, Jason Todd. Now, DC continues the alternate story of what would have happened if he had lived... Will Batman be able to bring Robin back from the brink of madness...or lose the boy forever? And, in losing Jason, will he lose himself as well? The stakes have never been higher--as the Joker prepares to unleash an army of mad virus bats on the city. It all comes down to a bullet aimed at the Joker's head, with millions of lives--and Jason Todd's soul and sanity--hanging in the balance!