Marinate Chicken:In a bowl, combine chipotle peppers, olive oil, garlic powder, cumin, paprika, lime juice, salt, and pepper. Add chicken and marinate for at least 15 minutes.
Cook Chicken:Heat a skillet over medium-high heat. Cook chicken for 5–7 minutes per side, or until cooked through and nicely charred. Rest for 5 minutes, then slice.
Warm Beans & Rice:Heat black beans in a small pot. Prepare or reheat rice according to package directions.
Assemble the Bowl:In each serving bowl, layer rice, black beans, corn, chicken slices, tomatoes, avocado, and cheese.
Garnish & Serve:Top with chopped cilantro and a dollop of sour cream or Greek yogurt. Serve with lime wedges on the side.