Complex sentence: Kane was then scheulded to face Jinder Mahal in a match but Curt Hawkins, Tyler Reks, Hunico, Camacho, and Drew McIntyre came out and tried to attack Kane from behind but The Undertaker made a surprise return in the WWE helping Kane attack everyone.
Split into simpler sentences: Kane was then scheduled to face Jinder Mahal in a match, but Curt Hawkins, Tyler Reks, Hunico, Camacho, and Drew McIntyre came out and tried to attack Kane from behind. Suddenly, The Undertaker made a surprise return in the WWE and helped Kane attack everyone.