Quinoa Black Bean Salad

Name: Quinoa-Black Bean Salad
Ingredients: 2 ears corn, husks removed; 1 medium zucchini, cut lengthwise into 1/4-inch planks; 6 tablespoons extra-virgin olive oil; ¼ cup lime juice; 1 ½ teaspoons ground cumin; 3 cups cooked quinoa; 3 cups baby arugula; 1 (15 ounce) can no-salt-added black beans, rinsed; 1 cup pico de gallo, divided; ½ cup chopped fresh cilantro, divided; ¾ cup crumbled cotija cheese, divided; 1 avocado, diced, divided