he never left after wm 25
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
yes he will return after royal rumble 2010 before wrestlemania 28
He already returned
Undertaker won. 17-0
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.
He's already returned.
undertake
Shawn Michaels
The undertaker
awesome match. undertaker won
Undertaker never miss WrestleMania. Undertaker actually recovering from injuries to make amazing return at WrestleMania. According to WrestleMania history, except 1994 and 2000 WrestleManias, Undertaker participated in all WrestleMania wrestling pay per views and proved as best and undefeated superstar of all time by facing legendary wrestling superstars. There is no doubt about it, Undertaker returns to WrestleMania 27 to continue his Undefeated Streak. Nope it's Sting because he's BEAST
He came back before WrestleMania