'Lucy' pummels 'Hercules' to win U.S. weekend box office race

LOS ANGELES/NEW YORK, July 27 (Reuters) - "Lucy", starring Scarlett Johansson as a woman with a super-powered brain, collected $44 million to win at domestic box offices outmuscling "Hercules", but both releases helped pump life into a lackluster summer at U.S. and Canadian theaters.