In the history of comics, there has never been anything like the Keith Giffen/J.M. DeMatteis Justice League International run before or since. The series managed to mix superhero action with pitch perfect comedy, giving birth to the famous "One Punch" as well as the infectious "Bwahahahahaha!" And while the five-year run is rightfully regarded as one of the greatest eras of DC's premier team for its sense of humor and character interactions, it was also a series of titles that wasn't afraid to get serious and heartbreaking at times. Giffen's ability to mix humor with tragedy may have been perfected...