Foil Packet Chicken Enchiladas

Name: Foil-Packet Chicken Enchiladas
Ingredients: 2 tablespoons extra-virgin olive oil; 1 10-ounce can mild enchilada sauce (about 1 1/4 cups); 2 cups shredded rotisserie chicken (about 8 ounces); 8 ounces shredded pepper jack cheese (about 2 cups); 1 15-ounce can refried black beans; 1 cup frozen fire-roasted corn, thawed; 1 teaspoon dried oregano; Kosher salt and freshly ground pepper; 12 6-inch corn tortillas; Sour cream and fresh cilantro, for topping; Lime wedges, for serving