Assalaumaiakum,
In the quran, it stated very clearly that,
Quran 4:157 Sahih International And [for] their saying, "Indeed, we have killed the Messiah, Jesus, the son of Mary, the messenger of Allah ." And they did not kill him, nor did they crucify him; but [another] was made to resemble him to them. And indeed, those who differ over it are in doubt about it. They have no knowledge of it except the following of assumption. And they did not kill him, for certain.
But my christian friend ask me on Ibn Kathir commentary below, where did Ibn Kathir get his side of story?
https://quran.com/4:155/tafsirs/169 he said to his companions, "Who volunteers to be made to look like me, for which he will be my companion in Paradise" A young man volunteered, but `Isa thought that he was too young. He asked the question a second and third time, each time the young man volunteering, prompting `Isa to say, "Well then, you will be that man." Allah made the young man look exactly like `Isa, while a hole opened in the roof of the house, and `Isa was made to sleep and ascended to heaven while asleep.
I cannot find any reference to support this claim, and no where in any hadeeth from our beloved prophet pbuh.
Please guide me. Thanks.