Heat oven to 350 degrees F. Lightly grease 8 1/2 x 4 1/2 x 2 1/2-inch loaf pan.
Stir together water, egg and muffin mix until moistened. Fold in poppy seeds (enclosed in Krusteaz package). Pour into loaf pan.
Swirl in cherry pie filling with a knife.
Bake 50-55 minutes or until golden brown. Cool 5 minutes; gently loosen and remove from pan. Let cool completely before slicing. Store in tightly covered container.