Weekend’s smashed box office records by Joker. This weekend in North America, the gritty Warner Bros movie about the history of the mad Batman nemesis took in an impressive $93.5 million. This makes “Joker” the largest opening in October’s history. The movie broke the record set “Venom” by Sony Pictures, which last October made $80 million. “Joker” in this year biggest opening for Warner Bros, as well as one of the largest R-rated movie openings. This made around the world $234 million.