It's an emotional roller coaster week for WWE fans as fan favorite John Cena is all set to put a full stop to his professional wrestling career at Saturday Night’s Main Event XLII. The Cenation Leader will lock horns with Gunther, who won the Last Time is Now Tournament by beating LA Knight and has vowed to finish Cena in dominating fashion.Fans will tune in to witness the Chain Gang Soldier's final dance. That said, to attract more viewers, the Stamford-based promotion is likely to add some jaw-dropping surprises on the card; a recent report has confirmed that the creative team is actively looking to surprise fans at SNME.In this listicle, we will take a look at three major surprises the Triple H-led creative team may book for fans at John Cena's retirement event.#3. The 17-time WWE Champion interacting with all his rivalsThe company has built Cena's farewell tour around giving fans a nostalgic trip as he competed against his multiple arch-rivals throughout his tour, including CM Punk, Randy Orton, Brock Lesnar, and a few more.At Saturday Night's Main Event XLII, John could have an emotional farewell after his retirement bout inside the squared circle or backstage, where he may reunite with all his legendary rivals. Hall of Famers like the Undertaker could also be backstage and share a rare emotional moment, giving fans a wholesome moment.#2. Oba Femi beating Cody cleanApart from the Cenation Leader's final match, the SNME also features a unique champion vs champion bout between NXT titleholder Oba Femi and Undisputed WWE Champion, Cody Rhodes.While the American Nightmare is a favorite to beat The Ruler, the creative may leave everyone in shock by letting Oba beat Rhodes clean, building him as a future main eventer.#1. Batista makes an appearanceAlmost all of Cena's arch-rivals made an appearance during his retirement tour. Interestingly, the Animal who shares a significant history with John could shockingly return.Batista could be part of John's retirement celebration at the end of the show, alongside other superstars; it would be a perfect moment where all the Ruthless Aggression Era legends could reunite to celebrate Cena's iconic WWE career.