Preheat your oven to 350°F (175°C).
Spread tortilla chips evenly on a baking sheet.
In a bowl, combine shredded chicken, black beans, and corn.
Season the chicken mixture with salt and pepper to taste.
Spoon the chicken mixture evenly over the tortilla chips.
Sprinkle the shredded cheese generously on top.
Add sliced jalapeños if desired.
Place the baking sheet in the oven and bake for 10 minutes or until the cheese is melted and bubbly.
Remove from the oven and let it cool for a few minutes.
Top with sour cream, cilantro, and salsa before serving.