If you are referring to The Undertaker, the professional wrestler from WWE, he has not died as of my last update in October 2023. Mark Calaway, known as The Undertaker, retired from Wrestling but remains alive. If you meant someone else or a different context, please provide more details for clarification.
No
No
yes
Kayfade died
Mark Calloway
Yes
No. I think he's dead
yes in wrestlemania 25
Mark William Calaway
Yes we don't see him alot but he is in WWE
It is not finalized yet. But he will definitely return for a match next wrestlemania
he got injured, buut he will return at either the wwe draft or royal rumble