Most likely, another human being was killed. There are 666 verses in the Qur'an . To this day, I have not been able to find a fault.
  1. "What advantage did the Jews gain from executing their wise king?" https://en.wikipedia.org/wiki/Mara_bar_Serapion_on_Jesus
  2. 'their ceremonies by reference to a man punished by extreme suffering for his wickedness, and to the deadly wood of the cross" https://www.earlychristianwritings.com/fronto.html
  3. "The Christians, you know, worship a man to this day - the distinguished personage who introduced their novel rites, and was crucified on that account (...) from the moment that they are converted, and deny the gods of Greece, and worship the crucified sage" https://en.wikipedia.org/wiki/Passing_of_Peregrinus
"Most likely, another human being was killed."
So, why do you ask: "What happened to Jesus?" - if you already know "better", what happened to Jesus?
LOL