Batman / The Flash: The Button - Deluxe Edition

A 2017 DC Comics deluxe one-shot, Batman / The Flash: The Button teams writer Joshua Williamson with artist Howard Porter for a pivotal crossover. Following the events of "DC Universe: Rebirth #1," Batman and the Flash investigate a mysterious bloodstained smiley-face button embedded in the Batcave wall, a clue that sends them hurtling through time and space. This single issue is a key chapter in the "Rebirth" era, directly addressing the legacy of the Watchmen and reshaping the DC multiverse.