In a bowl combine Rana Marinara, dried oregano, Italian seasoning, garlic powder, onion powder and sugar. Stir until well dispersed. Cook ravioli according to packaging instructions. In a bowl, gently toss ravioli with pizza sauce (best if sauce is warm). Place ravioli in a baking dish then top with mozzarella and pepperoni. Preheat oven at 400 F. Bake ravioli for 15-20 minutes or until cheese turns golden brown. Top with crushed red pepper and parmesan cheese (optional).