Justice League of America, Vol. 2 #8A

The Lightning Saga - Chapter One: Lightning Lad
As members of the Justice League and Society train in the new Hall of Justice, the newly reawakened Karate Kid, still believing himself to be the villain Trident, attacks Batman and Black Lightning.During the training exercise at the Hall, Red Tornado over-reacts and very nearly causes injury to, if not the death of Red Arrow.Black Lightning and Batman overcome Karate Kid and take him to the Hall where he is questioned; when Mr Terrific mentions Starman also claiming to be from the future, Karate Kid begins to realise who he is.In 1948, Dolores Winters - soon to become the host for the Ultra-Humanite - is visited by two mysterious figures from the future.In the present, Starman is brought to the Hall and greets Karate Kid which removes the remainder of his mind block allowing him to tell the League and the Society that there are seven Legionnaires stuck in the present, including himself and Starman.The League and Society gather in total and decide to find the remaining Legionnaires. Tracing the signal from the Legion's flight rings, they find the locations of the others and decide to split up.
Release Date: 2007