RETURN TO THE RONIN-VERSE! In TMNT: The Last Ronin, readers were taken on a pulse-pounding trek through time—past, present, future—to witness the final gut-wrenching days of the Heroes in a Half-Shell.In Last Ronin–Lost Years, new secrets of the Turtles’ past are revealed as we learn more about the devastating series of events leading up to the Last Ronin’s final battle, as well as its aftermath.For Michelangelo in particular, the march to his heartbreaking last battle was lo