Heat large skillet to low/medium and cover with oil.
Sauté bell peppers, onion and garlic for about 3 minutes. Move to one side of the pan when done.
Toss bite sized shicken pieces with cumin and ½ tbsp of taco seasoning. Add to pan and cook about 5 minutes, turning once. Stir to combine with peppers and onions.
Add beans, corns, tomatoes, remaining taco seasoning and red pepper flakes. Stir to combine.
Add diced zucchini and stir to combine. Cover for 10 minutes.
Serve with a drizzling of sriracha, topped with shredded cheese and sliced green onions.