Slow Cooker Shredded Mexican Pork with Beans

2-1/4 to 2-1/2 pound package pork tenderloin

chili powder

cumin

salt

fresh ground black pepper (to taste)

minced garlic

chopped yellow onion

chopped green bell pepper

jalapeno (seeded and chopped)

fire-roasted diced tomatoes

low-sodium chicken broth

chili beans in mild chili sauce, undrained

cannellini beans, rinsed and drained

cilantro (shredded cheese, sour cream, avocado)