Do IMDb :
Os quadrinhos de Alien e Predator foram publicados por volta de 1989, mas The Alien vs Predator não foi publicado até fevereiro de 1990, mesmo ano do filme Predator 2. Então, em outras palavras, o filme é um aceno para os quadrinhos, mas eu realmente duvido que havia planos sérios para fazer um filme "AvP" na época.Putting the Alien (1979) skull on the trophy case on the Predator ship was the idea of Stephen Hopkins' as a way of showing off all the different species and creatures that the Predators have hunted and killed. It was also a nod to the Dark Horse Aliens vs Predator comics which were quite popular at the time. Since Fox had owned the Alien film series, it was easy to obtain the rights to use the Alien head in the film. This excelled popularity of the Aliens vs. Predator series crossover throughout the 1990s, and was promptly followed by more comic books, novels, video games, toys, and eventually movies.