Prepare muffin mix according to directions on package.
Line muffin pan with liners. Divide 1/2 the batter among muffin liners.
In medium bowl, combine cream cheese and sugar. Divide cream cheese among batter in muffin pan. Top with remaining batter.
Combine streusel topping ingredients using a fork until it looks like sand. Sprinkle evenly over batter.
Bake according to package directions.