Drain the artichoke hearts and reserve the marinade. Chop the artichoke hearts and place in a medium size bowl.
Completely thaw and drain the spinach. Squeeze out an excess liquid and add to the bowl with artichoke hearts.
Add cream cheese, mayonnaise, marinade, grated garlic, salt, pepper, hot sauce 1 cup of mozzarella, ½ cup parmesan. Stir until well combined.
Transfer to a baking dish and top with remaining cheese.
Bake at 425 for 20-25 minutes.
Remove from oven and serve with chips, crackers or baguettes.