Booster Gold (2007)

52 Pick-Up, issues #1–6 by Geoff Johns, Jeff Katz and Dan Jurgens, 2007 The time-travelling hero from tomorrow turns down Justice League membership to help Rip Hunter police the timelines, while a villain exploits the damaged time stream hoping to eliminate the world's greatest heroes. The clever twist is that doing the job well means staying a secret: Booster becomes an outcast hero who is quietly among the most important people in the universe, while the public still sees a joke. It is the lightest entry here and the most fun, built on decades of DC history that rewards readers who know it, though the opening arc explains enough to follow.