Heat olive oil in a large skillet over medium-high heat.
Add sliced onion and bell pepper; sauté until tender.
Stir in minced garlic and spices; cook for 1 minute.
Add shrimp to the skillet and season with salt and pepper.
Cook shrimp until pink and opaque, about 3-4 minutes.
Warm tortillas in a separate pan or microwave.
Fill each tortilla with shrimp mixture.
Garnish with fresh cilantro.
Serve with lime wedges on the side.
Enjoy your homemade shrimp fajitas!