The Undertaker returned to WWE to attack Brock Lesnar in the main event of Battleground 2015.
The event just ended after his extended beatdown of Brock.
And a video from WWE:
The #Undertaker IS BACK!!! #WWEBattleground #TheDeadman @BrockLesnar http://t.co/J1HBDqpByp
— WWE (@WWE) July 20, 2015