In a 8qt stock pot, heat oil over medium heat. Saute onion and garlic in oil until soft. Stir in broth and water.
Blend in blender southwest season, cumin, tomatoes, and green chiles add to broth.Bring to a boil and simmer 5 to 10 minutes.
Grill seasoned chicken untill just done and shredd with two forks
Stir in corn, beans, cilantro, and chicken. Simmer for 10 minutes or as long as you want to make a better flavor.
Ladle soup into individual serving bowls, and top with crushed tortilla chips, avocado slices, cheese, and chopped green onion.