Popcorn Party Mix Recipe

popped popcorn, plain 3 cups pretzels 2 cups mixed nuts 1 cup peanuts 3/4 cup (12-tablespoons) unsalted butter, cubed 1/4 cup Worcestershire sauce 3 tsp. seasoned salt 1 1/2 tsp. garlic powder 1 tsp. onion powder 1/4 tsp. cayenne pepper