Aykroyd said Sigourney Weaver is on board now, as are the original squad of ectoplasmic specialists -- Aykroyd, Bill Murray, Harold Ramis and Ernie Hudson. Murray's presence was the pivot point in making a third film happen. He holds a one-fifth controlling interest in the property rights and has been seen as the most reluctant to return to the paranormal comedy.Hey, here's a thought. How about taking all that talent and money and making something new?
Oh, that's right. Because it's Hollywood.