Universal’s “Ted 2″ has put its paws on $2.6 million at the U.S. box office in Thursday night showings at 2,647 locations. Shows for the bawdy comedy, starring Mark Wahlberg and a wisecraking teddy bear, began at 8 p.m. Warner Bros.-MGM’s dog drama “Max” — the weekend’s other opener — fetched $500,000 at Thursday night...