A girl in Lucite heels teetering on a cafe chair, a guy slo-mo dancing in the middle of a Paris intersection, Jamie Bochert looking forlornly down the rue. Short but suspenseful, this could only be a video preview of the collaboration between Maison Martin Margiela and H&M, arriving in stores November 15. As if the mega-launch across nine floors of an abandoned building a couple of weeks ago wasn’t enough to hold everyone’s attention…