John Cena's last-ever match at WWE Saturday Night's Main Event has become the talk of the town, as the event takes place in less than a month. Meanwhile, the new Intercontinental Champion dropped a bombshell tease, which may have revealed his final-ever opponent.'The Last Time is Now' tournament is underway as superstars are fighting for the opportunity to face John Cena in his final ever match as an in-ring performer. The event will take place in Washington in less than a month, and a few names have already qualified further in the tournament.Today, the Intercontinental Champion dropped a shocking tease on Instagram, where he uploaded a picture of Sheamus. The Franchise Player often uploads photos without any context. However, the surprising aspect of the image is that Sheamus is still in the tournament, unlike Matt Cardona and Nic Nemeth. View this post on Instagram Instagram PostThis could be a potential tease, and the Never-Seen seventeen might've revealed his final opponent weeks in advance. It'll be interesting to see which star earns the opportunity to be John Cena's final-ever opponent in the Stamford-based promotion.Sheamus also wants to be John Cena's final-ever WWE opponentJohn Cena played an integral part in Sheamus' rise to the top as a WWE Superstar in his early days. After The Celtic Warrior became an established name in the industry, he often crossed paths with his first major rival in the company and even won matches against The Franchise Player.In a recent appearance on Busted Open, the multi-time WWE United States Champion expressed his interest in winning 'The Last Time is Now' tournament and facing John Cena in December for the Intercontinental Championship. Sheamus stated that it would be a perfect full-circle moment if he won at Saturday Night's Main Event.On the latest edition of WWE RAW, Sheamus and Rey Mysterio assisted John Cena and helped him pick up the win against The Judgment Day in a six-man tag team match, which marked The Franchise Player's last ever match on the flagship show.