No. It’s not the original ending from the books, it is a variation on the ending from the books. In the books, everybody goes back into suspension realizing that we can’t survive against the Abbies for now. Everybody goes back into suspension for several thousand more years. “Let’s just go back into these chambers. This is not our planet right now. Let’s see what happens when we wake up in 10,000 years.” They wake up and you see Ethan’s eye pop open and that’s the end of the book.