Spicy Fajita Soup

Name: Spicy Fajita Soup
Ingredients: 2 medium yellow onions, sliced; 2 green peppers, cored, seeded, and sliced into strips; 1/2 cup frozen corn, thawed; 1 (14-ounce) can diced tomatoes; 1 tablespoon chopped garlic; 2 tablespoons chile powder, divided; 1 chipotle pepper in adobo sauce, chopped (reserve adobe for Creamy Mexican Dip); 1 quart chicken broth; Kosher salt and freshly ground black pepper; 2 cups canola oil, for frying; 12 corn tortillas, cut into eighths; 1 cup Monterey Jack cheese, shredded; 2 scallions, sliced