(from the publisher);The iconic Super Heroes unite when Lex Luthor, now president of the United States, accuses Superman of a crime against humanity, and assembles a top-secret team of powerhouse heroes to bring Superman in-dead or alive. And, prepare for the arrival of Supergirl! Batman has discovered something strange on the bottom of Gotham Bay, which leads him to a mysterious and powerful teenaged girl bent on destroying Gotham City!