Last week’s season premiere accomplished a lot. Not only did it transplant Agent Peggy Carter to Hollywood and introduce some new characters, but it also introduced a little pulsating glob of black matter, or anti-matter, that may well be the forerunner of the alternate-reality transporter in this show’s sister series, Marvel’s Agents of S.H.I.E.L.D. Hey: For that matter (or that anti-matter), this “Dark Matter” stuff could be the exact same thing, just uncovered a half century or so earlier in this period Marvel Comics series. Hayley Atwell stars.