Heat oil in a large nonstick skillet over medium-high heat. Add shrimp; saute 2 minutes. Add onion and bell peppers; saute 3 minutes or until tender. Remove from heat; stir in hot sauce, salt, pepper, cumin, and chili powder.
Heat tortillas according to package directions. Spoon 3/4 cup shrimp mixture onto each tortilla, and fold in half. Serve with avocado and sour cream. Garnish with cilantro, if desired.
2 tacos, 1 tablespoon avocado, and 1 tablespoon sour cream