lucy

The box office gets a jolt this week, with a pair of action thrillers making their debuts, plus an easygoing family comedy to put a smile on your face.

As the trailer says, mankind isn't ready for Scarlett Johansson's Lucy, and judging by the powers she's tossing around (both with her brain and her body) in Luc Besson's latest sci-fi action thriller, that's pretty accurate. Johansson steps out of the Marvel movie universe a…