Detective Comics #797 2004

Detective Comics #797, published in October 2004, kicks off the major "War Games" crossover event with "Flashpoint." Gotham City plunges into a massive gang war, forcing Batman to confront the escalating chaos. This issue is notable as the beginning of a significant storyline that impacted the Batman universe. Additionally, it features the start of a new backup story, "Low, Part I," where the Riddler seeks refuge with Poison Ivy, marking a new feature for these characters in the series.