Detective Comics #1098

A TEAM-UP MOST FOWL! Batman and the Penguin have found themselves unlikely allies on a mission that has taken them out of Gotham and into an entirely unexpected new location! But even with their powers combined, will they be able to unravel the sinister schemes of a (literally) bloodthirsty immortality cult?

Characters: Barbara Gordon, Batman, Haley, Harvey Bullock, Penguin, Ra's al Ghul