Big Time Rush and the “Man of Steel” soundtrack are heading for top 10 debuts on the Billboard 200 albums chart next week. Industry sources suggest Big Time Rush’s new “24/Seven” album could sell around 45,000 copies by the end of the tracking week on June 16. The “Man of Steel” soundtrack — an instrumental … More Big Time Rush, ‘Man of Steel’ Soundtrack Heading for Top 10 on Billboard 200