For the Black Beans, if using dry beans, soak 1 1/2 cups of beans overnight, rinse, then boil the beans until tender, rinse then use.
For the Red Kidney Beans, if using dry beans, soak 1 1/2 cups of beans over night, rinse, then boil beans until tender, rinse, then use.
For the refried beans, if using the shortcut for dry beans, follow that recipe as listed in the Recipe Notes section, you will need about 1 1/2 cups of refried beans. This makes a lot, so plan a Mexican dish for later in the week.
Once you have determined, the beans you are going to use, canned or dry, put the chicken (whole breasts are fine, no need to chop or anything), bell peppers, jalapeno pepper, corn, beans (but NOT the refried beans), onion, and tomatoes that you drained and chopped, into your slow cooker. Cook this on Low setting for 6-8 hours, or on High setting for 3-4 hours. If on Low setting the chicken shreds easily at 6 hours, it is done.
Once the chicken is done and shreds easily, remove the chicken to a large plate and shred with 2 forks, return to the slow cooker and stir in. Add the refried beans and stir that in and cook for an additional 15-20 minutes on Low setting to heat through. Serve with chili toppings of your choice if desired. I think some shredded Cheddar cheese on top would be great.