Aaron Green (Jonah Hill) is on the run with troublesome rock star Aldous Snow (Russell Brand) in Get Him to the Greek. 

The following films are new arrivals in theaters this week. To see reviews click here.

Get Him to the Greek (R for sexual content, drug use, language) Jonah Hill and Russell Brand reunite with Forgetting Sarah Marshall director Nicholas Stoller in this Judd Apatow-produced comedy about Aaron Green (Hill), a record company intern, who has two days to drag uncooperative rock legend Aldous Snow (Brand) to Hollywood for a comeback concert. 

Killers (PG-13 for violent action, sexual material, language) In this romantic comedy, Jen Kornfeldt (Katherine Heigl) joins her parents on a trip to the French Riviera where she meets the man of her dreams (Ashton Kutcher). Three years later, her newlywed suburban bliss is upset when she finds out her darling is an international spy who's armed and dangerous. With Tom Selleck, Catherine O'Hara; directed by Robert Luketic. 

Marmaduke (PG for rude humor, language) Comic-book Great Dane Marmaduke makes his theatrical debut in this live-action family film as a teenager trying to fit in with fellow four-leggers when he and his family settle down in Orange County, Calif. With Owen Wilson, William H. Macy, Kiefer Sutherland, Emma Stone; directed by Tom Dey.

 Splice (R for disturbing elements, sexuality, nudity, sci-fi violence, language) Genetic engineers Clive (Adrien Brody) and Elsa (Sarah Polley) splice DNA from different animals to create fantastical new hybrids including Dren, an amazing creature who exceeds their wildest dreams -- and their their most terrifying nightmares. Directed by Vincenzo Natali.