\”Deadpool 2,\” topped the weekend box office, taking in an estimated 125 for the opening weekend. It ended the run for \”Avengers: Infinity War,\” which came in at number two.\”Book Club\” took third. \’Deadpool 2\’ gleefully revels in R-rated mayhem 20 MAY 18 06:26 ET Brian Lowry (CNN) — Gleefully trying to outdo the original,…… MORE