John 3:16, though it does not use the term "immortality," when it speaks of "everlasting life" is referring to bodily immortality. Actually, when the Bible speaks of "life," it often is referring to bodily immortality, not to consciousness in a spiritual form other than the body.
I think there is at least one reason why the focus of the Gospel of the Kingdom has been changed to the Gospel of Heaven, with a dismissal of the emphasis on immortality in the physical body.
