by Mike Krumboltz Hollywood is releasing four very different flicks this weekend. There's " Get Him to the Greek ," a raunchy comedy starring Jonah Hill and Russell Brand . For horror fans, " Splice ," feauturing Oscar winner Adrien Brody , may provide some gory thrills. Families with young kids and a high threshold for pain can take a chance on "Marmaduke." And, finally, there's " Killers " with Ashton Kutcher and Katherine Heigl .