A new Marvel hero, some really old dragons and Neil Patrick Harris, all just in time for summer. Here are the buzziest new TV shows of the season to watch, try or avoid — based solely on trailers and descriptions (no spoilers here). Watch“Irma Vep,” June 6, HBO Alicia Vikander has been tasked to lose her mind playing Mira, an American actress who, disillusioned with her life, moves to France to star in a remake of a French silent film classic about an underground crime organization called “The Vampires.” But as Mira gets deeper into production, she begins to lose track of what’s real and what’…