It's really a matter of taste, no? MY personal favorite Super Bowl snack has to be nachos...like the tortilla chips with a good 7-layer dip or smothered in cheese, black beans, salsa, sour cream and guac. That is my favorite thing.
Other favorites:
-Pizza
-Chicken wings
-Fried chicken
-Finger sandwiches
-Chips and salsa
-Sushi
-Hot dogs