The Kane vs Undertaker feud has grown quite old at this stage and it just goes to show you how low WWE is running on main event performers at the time.
Kane and The Undertaker have feuded many times now. The younger fans don’t know this and are enjoying this feud a lot right now. But the more older fans that have been watching WWE for atleast a decade now, know that this is nothing new and it has been done many times in the past.