Well, if this isn’t a first, it’s pretty close. 20th Century Fox has put together what is essentially a promo for a promo — touting the release of its trailer for Ridley Scott’s Prometheus. The actual trailer is due out Thursday via iTunes’ Movie Trailers site; the film, by the way, opens June 8, 2012. The clip touts Scott’s return to his genre roots with the film that stars Noomi Rapace, Michael Fassbender, Guy Pearce and Idris Elba. Here’s the promo: