If they bring Alien back to theaters for a limited run, they might play these before showings. Different ones each time to get people to come back. Or they may just play them before other fox movies.
Do we know if there were any content restrictions? If so, they could be viewable by teen audiences, thus attached to more films.
Regardless, we'll need to see em' first. They could be terrific or horrific. Cheesy characters might choke to death on a Tylenol during a dutch angle.