The predominate storyline heading into the event was the rivalry between A.J. Styles and Kurt Angle , both members of The Angle Alliance group . On the February 14 episode of Impact ! , TNA held the scripted wedding of Angle 's real @-@ life wife Karen Angle and Styles despite Angle and Karen still being married on @-@ screen . Afterwards , Karen and Angle separated in the storyline on the March 13 episode of Impact ! . TNA continued to build the situation with Angle attempting to reconcile with Karen on the May 15 episode of Impact ! . Karen refused Angle 's request on the May 22 episode of Impact ! , leading to Angle turning on and assaulting Styles later in the episode due to his jealousy of the affection Karen showed for Styles . On the May 29 episode of Impact ! , Cornette announced Angle versus Styles for the event . Angle sustained a severe neck injury in early May with several TNA officials believing Angle would not recover in no time to perform at the show . Angle was still in pain a few days prior to Slammiversary but was expected to perform normally despite some officials feeling it was too soon to compete .