After months of filming they have a lengthy post production, editing, adding cgi, adr, orchestrating the soundtrack, etc, the the marketing, teasers, trailers, promos to build up hype amoung the causal movie goers, all for a release in August of next year, possibly sooner or later domestically. The success of this film at the box office dictates whether they'll be any sequels completing a trilogy and linking to the events of the original Alien. Blomkamp and Sigourney will be busy with Gone World and the Avatar sequels so who know if they ever get to make their alternative Alien 3.