Is Mark Henry heading to RAW?

Could Mark Henry be heading to Raw? The official website of the Thompson-Boling Arena is advertising the SmackDown star vs. John Cena in a Special Challenge Match for a Raw live event taking place at the venue on May 5. All other talent advertised for the show are members of the Raw roster. A Triple Threat Match featuring Alberto Del Rio, CM Punk and Chris Jericho is also scheduled.