Heat a small skillet over medium heat until hot. Add in the corn, and let sit undisturbed for 1-2 minutes, or until lightly charred. Flip, and repeat. Reserve corn.
Preheat the olive oil in a large Dutch oven over medium heat until it shimmers. Add in the onion, poblano, celery, carrot, and jalapeno. Season with freshly ground black pepper.
Cook until vegetables are softened, approximately 5-7 minutes.
Stir in the chili powder, cumin, onion powder, and garlic powder.
Stir for 1 minute to bloom the spices.
Add in the canned or fresh tomatoes, reserved corn, black beans, broth, and bay leaves.
Simmer for 10 minutes, or until warmed through.
Add in the quinoa, and simmer for 15-20 minutes, or until cooked through.
Garnish with cilantro, onion, and jalapeno.