Preheat oven to 350F.
In a medium bowl add the mayo, olive oil, red wine vinegar, lettuce, pepperoncini's and juice, Italian seasoning, salt, pepper, and onion slices. Mix together until combined.
Cut the rolls in half and lay down the provolone cheese slices, ham slices followed by salami slices, and then pepperoni slices. Add the bread on top.
In a small bowl, combine the melted butter and garlic and 1 teaspoon of Italian seasoning. Brush the top of the bread rolls with the butter mixture
Cover with foil and bake for 12 minutes. Remove the foil and bake another 10-12 minutes or until the top is brown.
Remove the top layer of bread and add the tomatoes and salad mixture after the sandwiches have cooked.
Serve and enjoy!