Grease 9×13 pan with butter or non-stick cooking spray. Set aside. Preheat the oven according to brownie directions.
Prepare brownie batter according to packaged directions or according to homemade brownie directions (without any mix-ins). Pour batter into prepared pan.
In a small bowl, whip cream cheese, sugar, and flour until smooth. Stir in pumpkin and seasonings.
Drop pumpkin mixture by the spoonful over brownie batter. With a butter knife, swirl cream cheese into the batter being careful not to touch the bottom of the pan.
Bake according to box directions, or until brownies are set (about 30 minutes for mine). Cool 10 minutes and cut into squares.
Notes
*Each brownie mix is different and comes with a different set of instructions. When it comes to increments for the eggs, water, and oil, follow your boxed directions.