Last month's issue of Batman – now in the final arc of Chip Zdarsky and Jorge Jiménez's run – ended with a pretty solid double-cliffhanger. Gotham's Mayor Nakano was fatally gunned down by a mysterious assassin while Bruce learned that he may have a long-lost brother (yes, another one). In this week's Batman #154 the mystery deepens as someone lends credence to the possibility of a secret Wayne sibling and the identity of Nakano's killer is seemingly revealed...
