JLA / JSA: Virtue and Vice

In 2003, DC brought together its two greatest superhero teams for JLA / JSA: Virtue and Vice, a single-issue prestige story written by David S. Goyer and Geoff Johns with art by Carlos Pacheco. The tale pits the combined might of the Justice League and the Justice Society against a threat that turns their own virtues into vices, forcing heroes like Green Lantern and The Flash to confront their darker impulses. This crossover stands as a key moment in DC's post-Infinite Crisis era, showcasing the generational legacy between the teams and the moral complexity that defined the publisher's early 2000s storytelling.