The integration of automakers and TV networks is getting deeper and deeper. With the 30-second ad going the way of the dodo bird, we now get characters driving the latest and greatest car or SUV during the shows themselves. It seems NBC’s hit “Heroes” will debut Monday with an extra reason to tune in. Nissan will be giving away one of its Rogue compact SUVs after the show — if you answer a question about that night’s show correctly. Then, for the next four nights, Nissan will do it all over again for other new shows.