Related Clues:

• Sub contractor?
• Corner store, perhaps
• Place for a ham
• Where to order egg salad
• Frank server
• Grocery store section
• Hero setting
• Where heroes come into existence?
• Where some cut the mustard?
• Place for a bagel and a schmear
• Sub site
• Sub assembler
• Sub depot?
• Reuben's home?
• Bite site