Furthermore, later in the movie, it's clear that ... Even the more recent installments like "Prometheus" and "Alien: Covenant" didn't force a lot of Easter eggs and callbacks to previous entries ...

With so many Easter eggs ... the Prometheus discovers a mysterious structure with evidence of the Engineers, including their ...

Prometheus’ opening scene (where an Engineer ... Romulus there is a definite “chicken or the egg?” question about whether xenomorphs were originally created from the black goo’s mutation ...