The Ghostbusters 2 Reference That Could Have Set Up The Perfect Sequel

When we learned that the Ghostbusters franchise would be returning in the form of a reboot instead of a sequel, many fans were bummed. After years of teasing a third film in the franchise, with the original, much-loved characters, it now appears that will never happen. And now it looks like that may have been a shame as Ghostbusters 2 actually set up the perfect opportunity to make a third film in the franchise this year. If you remember 1989's Ghostbusters 2 (and you'll be forgiven if you've ma...