WWE World Heavyweight Champion John Cena will be out of action for a while, missing the July 21 post-Battleground RAW in Miami, Florida and the Raw in Austin, Texas set for Aug. 4, to travel to Australia and film his scenes in Judd Aptow's new movie "Trainwreck," written by Amy Schumer and starring Schumer, Daniel Radcliffe, Tilda Swinton, Marisa Tomei, Bill Hader, Brie Larson, Colin Quinn, Vanessa Bayer, Mike Birbiglia, Method Man, and Miami Heats' LeBron James.

Cena's time out of action has led to speculation that he may drop the title at Battleground with a number of ways it could go down. Seth Rollins is lurking in the shadows holding the Money In The Bank (MITB) suitcase and will look to cash-in if Cena is left battered and bruised in the Fatal Fourway title match against Kane, Randy Orton, and Roman Reigns. But Paul Heyman's meeting with Triple H laid the groundwork for "Plan C" - which PWInsider.com speculates is the return of Brock Lesnar since he is slated to return to Raw this Monday night. While it would be refreshing to see the company give the title to Rollins or Reigns -- who some in the company believe he is ready for a title run, a recent promo recently leaked revealed Lesnar to be scheduled to face Cena at SummerSlam.

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Sting's long-awaited debut with the WWE has taken place though not in the form many fans expected. The WWE revealed their new commercial for their upcoming "WWE 2K15" featuring Sting -- whose So-Cal attire and Sting-Crow attire are both available as pre-order downloads available to gamers. Sting described the move as a "PR deal" to TMZ, and told Grantland.com's David Shoemaker (AKA The Masked Man) that he has one match left in him - preferably against The Undertaker at Wrestlemania 31.

The Undertaker is still suffering from the effects of a concussion that he suffered in his bout against Brock Lesnar at Wrestlemania 30, having told friends he may not be ready in time for his annual match and will not make a decision until the end of the year if a Wrestlemania 31 appearance is in the cards for him. Sting has made it clear that he would love to cap off his career against the man who held the longest streak in Wrestlemania history.

"I know that the streak was taken away by Brock Lesnar at this last WrestleMania, but I hope [Undertaker]'s not done," said Sting to Grantland.com. "I don't believe he is. And if he is going to be around, I'm hoping for an opportunity."

Sting "WWE 2K15" Commercial

Sting is not the only new WWE signing that has caught the attention of fans. Japan's KENTA held his official company signing while the WWE was on tour in Japan, holding a ceremony in the ring alongside Hulk Hogan and Jimmy "Mouth of the South" Hart at a WWE live event in Osaka. KENTA, who worked in Japan's NOAH organization, said he has no problem changing his name while working with the company, is working on his English to be able to work in the WWE and does not mind starting at NXT, happily relocating to Florida in order to be able to work at the WWE Performance Center.

"I am humbled to join WWE's NXT division and look forward to honing my craft with the global leader in sports entertainment," said KENTA.

KENTA Signs With WWE

WWE talent that has worked with KENTA in the past -- which includes Seth Rollins and former champion Daniel Bryan -- are looking forward to working with KENTA as he prepares to make his American debut.

"I would love to see KENTA against Seth Rollins. Especially if it was a high level match, like on a pay-per-view or something like that, two guys at the top of their game," said Daniel Bryan during his time with Ring of Honor (ROH) to WWE.com. "I'd like to see him against Cesaro. That would be incredible. I would pay money to see Kenta vs. Big Show. Some matches I've seen Kenta have against huge wrestlers have been awesome, because he is just fearless."

Seth Rollins (Tyler Black) vs KENTA (ROH)