Looking on the internet deeply has found these results:

When you will come back is the most popular phrase on the web.

when will you come back 1323,000 results on the web	When you will come back 12,960,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	When you realize you were mistaken, broken Maybe the feelings I had for you will come back. And he goes on to say that when you return he will come back here as soon as possible. You will come back with the voices of Heaven. hearted you will come back. It will come back to me when you've gone. And then when you have found the man that I describe, you will come back here and meet me, of your own accord. So I hope you will come back to work.

when will you come back

1323,000 results on the web

When you will come back

12,960,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

When you realize you were mistaken, broken
Maybe the feelings I had for you will come back.
And he goes on to say that when you return he will come back here as soon as possible.
You will come back with the voices of Heaven.
hearted you will come back.
It will come back to me when you've gone.
And then when you have found the man that I describe, you will come back here and meet me, of your own accord.
So I hope you will come back to work.