Justice League of America #21 (1963)

Justice League of America #21 (1963) tells the story of an epic crossover event between two powerful teams of superheroes. When the Justice League of America finds themselves trapped by a group of master villains, they turn to the Justice Society of America for help. In turn, the Justice Society enlists the Justice League to assist them in a strange game of turnabout across two worlds. This issue marked the first time these two legendary groups of superheroes had ever met, making it a must-read for fans of the genre. The cover, featuring the artwork of Mike Sekowsky and Murphy Anderson, pays homage to All-Star Comics #3. At our comic book business, Comics Into Cash, we're passionate about all things comics and have the industry knowledge and reputation to offer fair appraisals and purchases of your comic book collections. Trust us to help you turn your inherited comic book collection into cash.