For six decades, Subway has reigned as the king of sub shops – but lately, there have been signs that the fast food chain's reign is coming to an end.

A Subway restaurant in Rincon, Georgia posted a sign that read, "Our subs don't implode," jokingly referencing the Titan submersible disaster, sparking backlash.

A branch of the sandwich chain in Georgia has removed a sign that made light of the Titan submersible implosion, following backlash online.

The MTA is holding a pop-up holiday sale this week, where rail fans can snag subway signs, benches, trash cans and even pieces from the discontinued R32 trains known as the Brightliners.

Georgia resident Timothy Mauck posted a photo of a sign on a Subway sandwich shop in Rincon reading, “Our subs don’t implode.” ...

A sign that had been posted in front of a Subway restaurant in Georgia is leaving a bad taste in peoples’ mouths.

A sign that had been posted in front of a Subway restaurant in Georgia is leaving a bad taste in peoples’ mouths.