Clark Gregg in “Lola,” the vintage ‘vette featured on Agents of SHIELD S.H.I.E.L.D. took round one over NCIS in Canada in Tuesdays battle of the acronyms.Head-to-head at 8 p.m., among viewers 2+, CTV’s Agents of SHIELD (2,706,000) beat Global’s NCIS (2,593,000). That’s in overnights; once all the Live+7 heads are counted, it could tilt the other