Cut the chicken into small cubes and season with salt and pepper. Heat oil in a skillet over medium-high heat and cook the chicken until browned. Remove from skillet.
Sauté diced onion and bell pepper in the same skillet for 5–7 minutes until softened; add minced garlic for the last minute.
Stir in chili powder, cumin, and smoked paprika; return chicken to skillet along with black beans and corn. Combine well and adjust seasoning.
Cut out pumpkin faces in half of the tortillas using a knife or cookie cutter.
Assemble by layering cheese on one tortilla, adding the filling, topping with another tortilla (with face cutouts) and pressing down gently.
Cook in a skillet over medium heat until golden brown on both sides.