Heat oven to 400°F. Grease 8-inch square (2-quart) baking dish.
In large bowl, combine chicken, bell pepper, corn, cumin, black beans and gravy; mix well. Spoon into greased baking dish.
Bake at 400°F. for 20 minutes. Remove baking dish from oven. Reduce oven temperature to 350°F. Arrange biscuits over chicken mixture; sprinkle biscuits with chili powder. Sprinkle cheese over chicken mixture around biscuits.
Bake at 350°F. for 15 to 18 minutes or until biscuits are golden brown and mixture is hot. Garnish with cilantro.