ABC TV’s ‘S.H.I.E.L.D’ opens big with 12.2 million viewers

(Reuters) – New ABC drama “Marvel’s Agents of S.H.I.E.L.D.” garnered strong ratings in its Tuesday debut, grabbing 12.2 million viewers overall and ranking first in its time slot among viewers ages 18 to 49, the group most prized by advertisers, according to Nielsen ratings data.