Heat oven to 350°F. Lightly grease 12 cup bundt baking pan with cooking spray.
In a large bowl, blend together Krusteaz Wild Blueberry Muffin mixes, half & half, eggs and sour cream. Fold in canned blueberries and fresh berries. Spoon batter into prepared pan.
Bake 50-55 minutes or until light golden brown around the edges. Cool for 15 minutes; gently loosen and remove from pan. Transfer cake to cooling rack.