Chicken and Black Bean Burrito Skillet

Name: Chicken and Black Bean Burrito Skillet
Ingredients: 1 tablespoon extra virgin olive oil; ½ medium red onion (diced); 2 red or green bell peppers (diced); Sea salt and black pepper (to taste); 1½ pounds boneless (skinless chicken breasts, cut into bite-sized cubes); 1 teaspoon ground cumin; 1 teaspoon smoked paprika; 1 teaspoon Mexican oregano; ½ teaspoon chipotle powder; 1 14- ounces can black beans (rinsed and drained); 1 cup frozen corn; ½ cup fresh cilantro (roughly chopped, divided); 2 tablespoons fresh lime juice; Optional (to serve:); ½ cup Monterey Jack (shredded); 1 large avocado (chopped); 1 large lime (sliced into 8 wedges)