Animation’s Halloween fun-house Hotel Transylvania (3,349 theaters) got off to a monster start Friday and then soared +73% Saturday for $43M by end of Sunday. That weekend come beat the record for the all-time September opening (shattering Sweet Home Alabama‘s decade-ago $35.6M though not adjusted for inflation or higher ticket prices or 3D’s premium). It’s also the highest grossing debut for Sony Pictures Animation. And it’s 2012′s biggest opening since The Dark Knight Rises. Depending on its legs and international performance, it should gross between $390M-$550M at the worldwide box office. Toon opened day and date in 4 territories including Mexico and Australia.