Banana Pineapple Dessert

1 1/2 cups graham cracker crumbs
1/4 cup granulated sugar
1/3 cup margarine or butter, melted
3 bananas, sliced
8 ounces cream cheese, softened
3 1/2 cups cold milk
2 small boxes vanilla flavor instant pudding
20 ounces crushed pineapple, drained
8 ounces Cool Whip, thawed

Mix graham cracker crumbs and margarine in a 13 x 9-inch pan. Press evenly onto bottom of pan. Arrange banana slices on crust. Beat cream cheese in large bowl with wire whisk until smooth. Gradually beat in milk. Add pudding mixes. Beat until well blended. Spread evenly over banana slices. Spoon pineapple evenly over pudding mixture. Spread Cool Whip over pineapple. Refrigerate 3 hours or until ready to serve.