Alien: The Original Screenplay — Dark Horse Comics
Issue: #4
The alien is loose aboard the ship, with every attempt at eradicating it proving more deadly. As the creature reveals its true form, the crew discovers a horrifying new development.
Creators: Randy Stradley, Guilherme Balbi, Justin Couch, Walter Simonson, Candice Han, Cristiano Seixas, Judy Khuu, Dave Stewart, Adam O. Pruett, Michael Heisler, Dan O'Bannon