Line muffin tin with paper liners.
Mix graham crumbs, butter, and sugar until texture resembles wet sand.
Press crust into muffin cups and freeze.
Beat cream cheese until smooth.
Add powdered sugar and mix again.
Whip heavy cream to stiff peaks in another bowl.
Gently fold whipped cream into the cream cheese.
Fold in fresh blueberries.
Spoon mixture onto crusts and smooth tops.
Refrigerate at least 2 hours before serving.