POUR milk into large bowl. Add pudding mixes. Beat with wire whisk 2 minutes or until well blended.
ADD bread; mix lightly to coat. Pour into 13x9-inch baking dish. Sprinkle evenly with chocolate chunks.
BAKE at 350°F for 45 minutes or until pudding just comes to boil in center. Remove from oven. Let stand 10 minutes. Serve warm. Store leftover pudding in refrigerator.