Marilyn Manson allegedly groomed and repeatedly sexually assaulted a 16-year-old girl in the ’90s, according to a bombshell new lawsuit. The shock rocker allegedly first attacked the girl — named as Jane Doe in the suit, filed Monday in Nassau County Supreme Court and seen by Page Six — after inviting her on his tour bus following a Dallas show in September 1995 and then threatened that “if she told anyone, he would kill her and her family.” The filing alleges that Manson, whose real name is Brian Warner, “within weeks” began calling the girl and asking her “to send...