"will uncover" is correct and usable in written English.
You can use it in a sentence to indicate that something will be discovered or revealed. For example: "The investigation will uncover the truth about the crime."
"I hope this report will uncover the truth".
There's no telling what else the federal probe will uncover.
Let's hope the new one will uncover its own".
Wherever history is buried, we will uncover it.
"That's how you will uncover the best deals".
It is still possible, the official said, that investigators will uncover other motives and perpetrators.
The Quizeum will uncover the stories behind some of the lesser known ones.
What Ms. Kamara-Umunna will uncover in Park Hill remains to be seen.
In fact, a cursory search for villas on the Internet will uncover countless promotions.
What's most interesting about this story is not the terrible secret that the wife will uncover.
In the future he will uncover worse crimes, but he will also find calm and truth.
