Teenage Mutant Ninja Turtles/Ghostbusters #1 (of 4)

When a new invention goes haywire, the Turtles are sent to a whole new type of New York City. One with a whole lot more ghosts... and Ghostbusters! The two teams will have to learn to get along quickly, because a new foe from the Turtles past has followed them and aims to conquer NYC!