Batman: Dead End

Batman: Dead End is a 2003 superhero fan film written and directed by Sandy Collora that premiered on July 19, 2003 at San Diego Comic-Con, and on the internet shortly thereafter. The film crosses over the DC Comics superhero Batman with the Alien and Predator science fiction film franchises.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.