It doesn't even resemble something that Subway would typically sell. This one is made up of BelGioioso fresh mozzarella, smashed avocado, lettuce, spinach, tomatoes, onions, cucumbers, MVP ...

Subway is giving fans several reasons to celebrate ... covered in marinara sauce and topped with slices of pepperoni and mozzarella. Never miss a story — sign up for PEOPLE's free daily ...

Chances are, you didn't even know that Subway served a pizza sub ... then ask for tomato sauce, pepperoni, mozzarella cheese, and any veggies you'd like. You'll end up with a pizza and a sandwich ...