Following the loss of Blue Beetle, the JLI faces their darkest hour in JUSTICE LEAGUE: GENERATION LOST #21. Captain Atom is still haunted by the thousands that died in Chicago, and now Booster has lost confidence in their mission just as it begins to approach its climax. If only something could jolt them back into action... JUSTICE LEAGUE: GENERATION LOST #21 is on sale today in comic shops and in our digital store.