Place chicken, onion, peppers, garlic, beans, tomatoes, corn, cilantro, spices, and salt in slow cooker. Pour broth over and cook on low for 5-6 hours.
Shred chicken, add cheese, and cook 5 more minutes until cheese melts.
In a skillet, heat oil and fry tortilla strips until crispy, about 3 minutes. Drain on paper towels.
Serve soup topped with tortilla strips, avocado, sour cream, and cilantro, with lime wedges.
Notes
For extra flavor, add a squeeze of lime or hot sauce.