Yahoo Movies have released a little video preview of the Prometheus trailer, due for release on Saturday. It contains footage from the previous teaser trailer but there’s some new stuff in there too. You can download the HD version here as well.
As already posted, Yahoo will be holding their own Q&A event on Saturday. You can submit your questions for Charlize Theron and Michael Fassbender here. Thanks to Darkoo for the news.
Update 12/03/2012: Also according to the BBFC the upcoming full length trailer for Prometheus will be 2 minutes and 33 seconds in length.