Part 1 of a 3-part time-travel adventure that brings the Rats face-to-face with the Man of Steel! Launched fifty years into the future, the Lab Rats discover a devastated Metropolis...and a mystery only an elderly Jimmy Olsen may be able to solve. But will discovering the source of Metropolis's troubles enable the Rats to return to the present? Also: Who is this future city's mysterious master? And why does he harbor so much hatred for Superman?
