Editor's note: The below contains spoilers for Alien: Earth Episode 4. When Ridley Scott's Prometheus came out in 2012, many fans were disappointed by the lack of xenomorphs. Scott aimed to fix that ...

With any fandom, there are always specific ideas about how and why things can and should work. That can be true on an individual basis, or a global basis as the fanbase argues about “canon” – what is, ...