In a large bowl, mix together the shredded chicken, cheddar cheese, cream cheese, sour cream, salsa, cumin, chili powder, garlic powder, salt, and pepper until smooth. Stir in the cilantro and black olives.
2 cups cooked chicken, 1 cup cheddar cheese, ½ cup cream cheese, ½ cup sour cream, ¼ cup salsa, 1 teaspoon ground cumin, 1 teaspoon chili powder, ½ teaspoon garlic powder, Salt and pepper, ¼ cup chopped fresh cilantro, ¼ cup sliced black olives