The term 'Hero Sandwich Choice' is a crossword solution that can be filled in with the 8-letter word 'MEATBALL'. A hero sandwich, also known as a submarine sandwich, is a type of sandwich made on a long roll of Italian or French bread. It is usually filled with various meats, cheeses, vegetables, and condiments. Meatballs are a popular choice for hero sandwiches, as they provide a savory flavor and texture.