"WRITTEN BY DAVID S. GOYER AND GEOFF JOHNS; ART BY STEPHEN SADOWSKI AND MICHAEL BAIR; COVER BY ALAN DAVIS AND MARK FARMER In stores June 21. ""The Hunt for Extant"" begins as the JSA finally goes after the man who murdered the original Hourman, Doctor Mid-Nite and the Atom during the cataclysmic ZERO HOUR. The chase leads the JSA through a quickly unraveling time stream to the ends of the universe itself in an issue guest- starring Metron of the New Gods, as well as the original Star-Spangled Kid, Sylvester Pemberton.    Published Aug 2000 by DC"