Paul Lincoln recalls how the return of the mystery men included many heroes taking on apprentices, the proliferation of super-villains, Green Arrow and The Atom joining the JLA, new kinds of heroes like the Metal Men and the Doom Patrol, the teaming of the kid sidekicks as the Teen Titans, and the return from retirement of the JSA. But for him the death of the Doom Patrol marked the end of the Silver Age and the beginning of a darker time.; During the bicentennial celebrations of 1976, a group of veterans gather. After they reminisce about the story of how Sgt. Frank Rock was killed by the last bullets fired in World War II, they are surprised by the arrival of Mlle. Marie and her familiar-looking son.