Firehouse Subs is handing out free sandwiches — but only if your name is “in the Mike family.” The popular sub chain, which has more than 1,200 locations in the US, revealed that it would give away medium sandwiches on May 6 to anyone named “Michael” or any variation, including “Mike,” “Mikey,” “Micheala,” “Michelle,” “Michele” and “Miguel,” to promote its new Steak & Cheese Melt. The promotion quickly sparked speculation from fans that the meal was a swipe at rival Jersey Mike’s , especially after an earlier marketing email carried the subject line “Firehouse Subs Trolls Jersey Mike’s,” according to Savor Nation . Firehouse Subs is giving away free sandwiches to customers whose names are “in the Mike family” on May 6. jetcityimage – stock.adobe.com “Our own president is named Mike,” communications director Mike Vizza said in a statement, referring to executive Mike Hancock. “We’ll let people enjoy the coincidence.…