Spoiler alert! We're discussing important plot points and the ending of "Alien: Romulus" (in theaters now), so beware if you haven't seen it yet. For decades, the Xenomorph has been the No. 1 big bad ...
The Alien franchise has made some divisive choices in the 40 years since the release of Aliens in 1986, but this far-reaching fan theory has a fantastic explanation for these controversial events.