The Alien Killer is the name of both an unfinished horror movie and a treatment for a remake.
The opening scenes of the earlier films were shot but not released. The alien had not yet appeared in the film and only the human characters had been introduced. After these scenes where filmed, the film was shelved.
A script is being written which is a planned remake. It is called Alien Killer.
On Prom Night, a meteorite crashes on Earth and hatches a deadly alien spawn. The creature, in need of a host, sets it's sights on a close-knit group of friends who are attending prom. However, the alien also needs to satisfy it's overwhelming lust for human females. Meanwhile, an alien hunter known as 'Ripper' appears on the scene, with plans to terminate the creature no matter the cost.