Matthew 10:
28 - Do not be afraid of those who kill the body but cannot kill the soul. Instead, fear the One who can destroy both soul and body in hell. (Jesus speaking)
Revelation 20:
12 - And I saw the dead, great and small, standing before the throne. And there were open books, and one of them was the book of life. And the dead were judged according to their deeds, as recorded in the books. The sea gave up its dead, and Death and Hades gave up their dead, and each one was judged according to his deeds. Then Death and Hades were thrown into the lake of fire. This is the second death—the lake of fire.…
Revelation 1:17 (Jesus speaking)
I am the First and the Last, the Living One. I was dead, and behold, now I am alive forever and ever! And I hold the keys of Death and of Hades.
Romans 14:9
For this reason Christ died and returned to life, so that He might be the Lord of both the dead and the living. (Hmm, Lord of "the dead"? figure out that one, but a JW can't)
Matthew 16:27
For the Son of Man will come in His Father's glory with His angels, and then He will repay each one according to what he has done.
John 5:
27And He has given Him authority to execute judgment, because He is the Son of Man. Do not be amazed at this, for the hour is coming when all who are in their graves will hear His voice and come out—those who have done good to the resurrection of life, and those who have done evil to the resurrection of judgment.…
so many other verses refute the JW error given above.