Alien vs. Predator (also known as Aliens versus Predator and AVP) is a science-fiction horror/action media franchise created by comic book writers Randy Stradley and Chris Warner. The series is a crossover between the Alien and Predator franchises, depicting the two species as being in conflict with one another. It began as a comic series in 1989, before being adapted into a video game series in the 1990s. Produced and distributed by 20th Century Fox, the film series began with Alien vs. Predator (2004), directed by Paul W. S. Anderson, and was followed by Aliens vs. Predator: Requiem (2007), directed by the Brothers Strause, and the development of a third film has been long rumoured. The series has led to numerous novels, comics, and video game spin-offs such as Aliens vs. Predator released in 2010 to generally positive reviews.