FREEZE FRAME: “Snatched,” “Hounds of Love”

Amy Schumer and Goldie Hawn are two comic stars that bring a lot of personal appeal to their roles. Audience goodwill may be tested, however, with their broad and raunchy comedy, “Snatched.” Schumer plays a colossally irresponsible twentysomething dumped by her boyfriend on the eve of a romantic trip to Equador. She decides to take her reluctant mom on the vacation instead. As you’d expect, things go painfully awry. There are some shamelessly funny moments along the way, but “Snatched” is essentially an R-rated sitcom that glosses over some borderline racist elements on the way to its predictable finale. It’s likeable cast escapes unscathed.   The low budget Australian horror flick “The Hounds of Love” is one of the most disturbing, off-putting dramas you’re likely to see. A pair of serial killers abducts a teenaged girl for a torturous sexual threesome. Her only hope of survival is to drive a wedge between them. Yes, the subject matter is brutal, but the film debut of writer-director Ben Young is beautifully shot and thoughtfully acted.   Also opening this week, director Guy Ritchie brings his over-the-top action sensibilities to the tale of Excalibur with “King Arthur: Legend of the Sword.” “The Wall”…