Alien vs. Predator (also known as Aliens vs. Predator, abbreviated AvP or AVP) is a science fiction horror franchise spanning several media. The series is a crossover between the Alien and Predator franchises. The franchise, which depicts the two species as being in conflict with one another, includes feature films, comics, novels, and computer/video games. There were also two Alien vs. Predator films produced, both critically panned and generally denounced by fans but relative box office successes, and the development of a third film has been rumored over several years.