In a slow cooker, add the chicken, onions, bell pepper, poblano, jalapeño, garlic, green chiles, enchilada sauce, broth, salt, pepper, chili powder, cumin, oregano, and cilantro. Stir until well combined. Add the bay leaf, cover, and cook on high for 4 to 6 hours, or preferably on low for 8 to 10 hours.