But yeah Lesnar's been involved in several of the most shocking moments since he returned. Shane McMahon returning has been the only other thing that I can recall being a complete surprise in recent years that wasn't spoiled by the dirtsheets. Chris Jericho's return in 2011 was a slight surprise, since I think most people didn't associate the promos leading to it with Jericho, and thought that it was going to be Undertaker, or Sting (remember those days when people would say EVERY year that this was the year Sting would jump to WWE?) at the time.
But yeah, Lesnar's been involved in pretty much all the other ones.