1. Preheat oven to 425°.
2. Spray both sides of each tortilla with cooking spray; arrange on large baking sheet. Bake at 425° for 3 1/2 minutes on each side or until lightly toasted.
3. Combine beans and 1/4 cup salsa in a microwave-safe bowl; cover with plastic wrap. Microwave on HIGH 4 minutes or until thoroughly heated, stirring after 2 minutes; set aside.
4. Combine turkey and 1/2 cup salsa in a microwave-safe bowl; cover with plastic wrap. Microwave on HIGH 2 minutes or until thoroughly heated.
5. Divide bean mixture among tortillas; top with turkey mixture. Sprinkle with queso fresco; top with tomato. Arrange 3 avocado slices over each tostada; sprinkle each evenly with cilantro.