Staring Owen Wilson, Emma Stone, George Lopez, Stacy Ferguson, Christopher Mintz-Plasse, Kiefer Sutherland Directed by Tom Dey Rated PG Score 3/6 Marmaduke is a giant Great Dane who is always causing a ruckus. The family pet of the Winslows, Marmaduke has outgrown his cute puppy stage and become an accident-prone gentle giant. When the Winslows…