'City at War, Part 1.' The battle for control of New York City begins! As the city splinters into different human, mutant, and ninja factions, the TMNT find themselves in the middle of the chaos! Eight years of storytelling have led to this! Including the first of eight special 'legacy' incentive covers: an IDW TMNT year one homage by Dan Duncan! The storyline that leads to TMNT #100 begins here!