In a dutch oven, add the olive oil, onion, jalapeño, poblano, and bell peppers. Cook for 5-7 minutes or until the onion is translucent and tender.
Stir in the zucchini and cook for another 5-7 minutes until zucchini starts to soften.
Stir in the garlic and cook for 1 minute.
Add the enchilada sauce, tomatoes, tomato sauce, corn, and broth. Stir well. Bring to a simmer and cook for 7-10 minutes or until zucchini and other vegetables are tender.
Stir in the beans, oregano, salt, and black pepper. Bring back to a simmer. Add more broth to reach desired consistency if you like a less chunky soup. Adjust salt and black pepper to your liking.
To serve, line bottom of serving bowls with ~2 tortillas worth of strips and pour soup over top. Sprinkle with cheese, chopped cilantro, and a dollop of sour cream.