During ESPN’s meetings with Lucasfilm, the creative minds behind “Star Wars” marketing emphasized the importance of the tease. Their strategy: tantalize potential audiences with trailers for the new “Star Wars” movie as far as 18 months in advance, then keep them on the hook with additional trailers 12 months, six months, and, finally, one month before release. The “Stars Wars” strategy worked like a charm for “Last Dance,” according to Ader.