Dave Batista is advertised to make a "special return" to WWE at a WWE live event on February 16, 2014 from the Thomas & Mack Center in Las Vegas, Nevada. Details are unclear as of press time but the former World Heavyweight Champion's name surfaced in local promotional information located at this link. Below is an excerpt from the show's promotional information:
WWE’s Road to Wrestlemania will make a stop at Las Vegas’ Thomas and Mack Center on Sunday, February 16. Don’t miss your favorite WWE Superstars including: CM Punk, The Shield, Big Show, Kane, the WWE Divas and much more! Plus, see the special return of “The Animal” Batista, LIVE!
WWE has been in talks with Batista so it wouldn't be a complete surprise if a deal was done for him to return. Batista is currently not included on the official listing of advertised talent.