In this extra-sized special issue, writer Kurt Busiek reunites with artist Renato Guedes to visit the 31st Century and the Girl of Steel! Supergirl's looking for a way to back from the future and to realize why Superman doesn't want her to wear the "S" shield, but both Superman and Supergirl in for a big surprise when they see what the past has in store! With time-viewing sneak peaks at the upcoming year's events!