Heat oven to 350°F. Grease bottom of a 13x9 inch pan.
Brownie Layer: Combine brownie mix, oil, water and eggs in a large bowl just until all dry mix is moistened. Spread in greased pan.
Bake for 20 minutes.
Cheesecake Layer: Beat vanilla, egg, milk and cream cheese in large bowl until smooth. Pour over baked brownie layer. Bake until topping is set, about 25 minutes. Cool 2 hours.
Cherry Layer: Spread pie filling over bars. Cut into 1 1/2 or 2-inch squares.