Preheat oven to 375°F.
Line baking sheet with foil.
Slice hoagie rolls lengthwise.
Lay rolls open on baking sheet.
Layer each roll with salami slices.
Add pepperoni and ham evenly.
Top meats with provolone cheese.
Bake sandwiches for 5–7 minutes.
Mix mayo, vinegar, oil, and spices.
Toss lettuce in the dressing mix.
Add lettuce, tomato, and onion.
Top with banana peppers as desired.
Close rolls gently and press slightly.
Slice each sandwich in half.
Serve warm and enjoy immediately.