Movie trailers have always been fascinating things: perched at the intersection of art and advertising, rearranging hints and fragments of what they’re selling into attractive new forms. But it wasn’t until you could play them at a click of a mouse that they became the objects of obsession they are today. The first look at a heavily anticipated blockbuster now inspires article-length analysis, with eagle-eyed writers going through them line by line, shot by shot, sometimes frame by frame, searching for pertinent plot details with the kind of intensity of attention once reserved for the Zapruder film. Hunger for what multiplexes still call “coming attractions” is high enough that studios have even begun cutting previews for previews, teasing the arrival of a trailer the day before it drops. If trailers are designed to stoke anticipation, they’ve become heavily anticipated events themselves. Just ask those who waited on bated breath all year long for their first glimpse of a Porg in action. The Last Jedi, speaking of which, is not among the 10 movies singled out below. Neither its full-length trailer nor the earlier teaser quite replicated the mystery and allure that the last two Star Wars films so successfully nourished…