It first becomes apparent on board the Prometheus ship that one of the crew is infected with parasites from the planet. http://badassdigest.com/2012/04/12/worm-in-the-eye-new-prometheus-pictures, http://india.nydailynews.com/newsarticle/4fede24bb1e35dec3300001e/doctor-pulls-5-inch-live-worm-from-man-s-eye-in-india, Of course, various parasites have been on the earth for a very long time. www.dailymail.co.uk/news/article-2166893/Pensioner-mystery-eye-condition-shocked-doctors-inch-WORM-living-eyeball.html?ITO=1490 In the future, it would be much cheaper & just as monstrous to send in genetically engineered parasites & creatures, in stead of commandos or an invasion force. Of course, such things could get out of control in a lab or like in the movie Prometheus, invade & kill several of the genetic engineers.
"Big-things-have-small-beginnings," David 8.
"Other than that, there’s no real link except it explains, I think, who may have had these capabilities, which are dreadful weapons way beyond anything we could possibly conceive, bacteriological drums of shit that you can drop on a planet and the planet…"
http://collider.com/ridley-scott-prometheus-2-sequel-interview/170207/#more-170207
This is one of the best published articles explaining more things about the larger Prometheus story line.
http://io9.com/5919306/another-theory-about-the-meaning-of-prometheus, (http://autumnrain2110.com/blog)
http://scifi.stackexchange.com/questions/17997/what-info-is-available-about-the-engineers-from-prometheus , www.weylandchronicles.com/2012/06/a-prometheus-fans-analysis-of-the-movie-video ,
www.prometheusnews.net/movie/empire-magazine-the-big-questions
Here are some good observations about the movie.
www.youtube.com/watch?v=D7CChfYoO_I&feature=related,
www.youtube.com/watch?v=u94wR0NfewE&feature=related,
www.youtube.com/watch?v=k-YjyI2_K30&feature=related
http://desertshapes.blogspot.ca/2012/06/engineers-manipulators-of-worlds.html
No one can rival The Secret Sun for all its fascinating posts & tremendous observations.
http://secretsun.blogspot.com/2012/09/astronaut-theology-half-billion-miles.html
