PHILADELPHIA (AP) — A Maryland teenager charged in a global terrorism plot plans to plead guilty in Pennsylvania.Court papers filed Monday show 18-year-old Mohammad Hassan Khalid is due in court in Philadelphia for a change-of-plea hearing next month.Khalid was an Ellicott City, Md., high school honors student when he became a rare juvenile arrested and detained by the FBI.He's charged with helping a Pennsylvania woman dubbed Jihad Jane raise money and recruits for a Muslim holy war. He pleaded not guilty in October.His lawyer has declined to comment on the April 2 plea hearing. A prosecutor hasn't returned a message seeking comment.Khalid is a legal immigrant from Pakistan. Prosecutors say he met online a Pennsburg woman who called herself Jihad Jane and who later pleaded guilty to plotting to kill a Swedish artist who offended Muslims.