A few rogue militia hide out in an abandoned building during an alien invasion waiting to make their next move.
Decades after surviving the Nostromo incident, Ellen Ripley is sent out to re-establish contact with a terraforming colony but finds herself battling the Alien Queen and her offspring.
Humans, in a fascist militaristic future, wage war with giant alien bugs.
An alien sheriff comes to Earth to stop four alien criminals from laying waste to it.
A disgruntled veteran unable to adjust back into society justifies domestic terrorism by interpreting his actions with alien invasion.
A biologist signs up for a dangerous, secret expedition in which the laws of nature don't apply.