A new series by the all-star team of Jeph Loeb, Ed McGuinness and Dexter Vines that pairs DC''s heaviest hitters in one high-octane book! A new, improved Metallo attacks both Metropolis and Gotham, bringing the guardians of each city together for a monumental battle! Plus, Lex Luthor assembles a mysterious super-team assigned to help the Man of Steel.