Not every Muslim thinks he was replaced by Judas that is just the theory of some Muslims. Most of us don't care for the exact details, if he was replaced, if he was just made to seem like he died or what not.
Jesus will die when he has finished living his earthly life.
edit: Please ignore History of Ideas, she doesn't know what she is talking about at all. She may be telling you what you would like to hear but that's about it. She even asks us questions and says "You Muslims" why would a Muslim do things like this? She's just the local nuisance.
edit: Here is a page that if you read it will explain the text and the meaning of the words being used:
http://www.jesuswillreturn.com/s1_4.html
History of Ideas, Apparently YOU CAN NOT READ. I don't need Jesus to do anything for me but he does play a role in the end times. Is your Arabic better then a scholar's Arabic? Do you know the meaning of the words being used? I don't need to cut and paste - my link explains the meaning of the words being used and their context.
A good Muslim even if they disagree would never speak that way to another!
History, I once (a very long time ago) fiddled with the "Quran only" notion. Alhamdulillah, I have left that behind. Though you (as a group) may be well intentioned you have been misguided. I suggest you do more research. I did, and it changed my life.