He already returned
yes he will return after royal rumble 2010 before wrestlemania 28
He's already returned.
No....He will win the wrestlemania 28...........
the undertaker will maybe i am not sure fight thriple h at wrestlemania 28
he can return to wwe either survivor series or royal rumble or wrestlemania 28
He was injured at wrestlemania 27 because Triple h hurt him,so Undertaker will return at wrestlemania 28 to face Triple h in a hell in a cell match with Shawn Michales as the special guest ref.
At wrestlemania, on his blog, i forgot where he said he wanted to lose to kane am wm 28 then retire
the undertaker
yes he is
No one knows that yet, but at WrestleMania 27, Triple H will face Undertaker.
after the loss to undertaker at wrestlemania 25 he will return but after the loss to undertaker in wrestlemania 26 he may never return however some say he is gonna return and fued with chris Jericho
Sure, the living legend The Undertaker returns to WrestleMania XXVII to continue his undefeated Streak at WrestleMania. The Undertaker has been continuing undefeated WrestleMania streak from WrestleMania VII. The Undertaker participated in almost all WrestleMania pay per views except 1994 and 2000 WrestleManias. Due to undefeated victories, WrestleMania becomes Undertaker and Undertaker becomes WrestleMania. There is no WrestleMania without Undertaker. So, this year at WrestleMania XXVII, The Undertaker mesmerizes entire wrestling world one more time.