We can barely tolerate the first "Space Jam" as adults; why did we need a sequel? Matt Winkelmeyer/WireImage/Getty Images Plenty of movies get unnecessary sequels — we're looking at you, "Speed" and "Pitch Perfect." Yet there are many films that never became franchises or got stopped halfway through. Here are 11 films we wish had quit while they were ahead and nine sequels we're still pining for. When Pixar's latest film, "Toy Story 5," was released on June 19, it broke the franchise's record