Stir salsa, lime juice, taco seasoning, and all dry spices in the slow cooker.
Add chicken and turn to coat well in the salsa mixture.
Cover and cook on LOW 6–7 hours or HIGH 3–4 hours, until tender.
Shred chicken in the cooker with two forks and toss in the juices.
Stir in black beans and corn. Cover and warm 10–15 minutes.
For creamy chicken, mix in cream cheese until melted and smooth.
Serve with cilantro and shredded cheese. Use for tacos, bowls, or burritos.