“The Equalizer’s” evolution continues, from that stately old-time British gent in the 1980 s to a couple of Denzel Washington movies to Queen Latifah in a brand-new CBS series. But the character isn’t all that’s modified, as the substantiate adopts more of a team hypothesi than the original’s loner, even if the basic template — a reasonably recreation one — still involves a shadowy savior of those in need.

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