To me the kingdom of Christ is above, and the reign of God is within us by faith because of the spirit of God (Holy spirit) and the Spirit of Christ.
It's a very long subject you've picked, and your post was very long, so I hope you don't mind if mine is too.
I'm only going to speak about those who are in Christ now, and who die in Christ:
1. Christ
is with, and in the saints in the world.
2. The saints
are with, and in Christ in heaven.
Praying to the Father for His disciples, Jesus said,
John 17:24
Father,
I will that they also, whom you have given me, be with me where I am; that
they may behold my glory, which you have given me: for you loved me before the foundation of the world.
"I in them, and You in Me, that they may be made perfect in one; and that the world may know that You have sent Me and have loved them as You have loved Me." John 17:23
To His disciples, Jesus promised,
John 14
20 At that day all of you shall know that
I am in my Father, and all of you in me, and I in you.
Of Christians,
the New Testament states:
"(God) hath raised us up together,
and made us sit together in heavenly places in Christ Jesus"
(Ephesians 2:6)
Ephesians 1:3-4
3 Blessed be the God and Father of our Lord Jesus Christ, who has blessed us with all spiritual blessings
in heavenly places in Christ:
4 According as he has chosen us in him before the foundation of the world, that we should be holy and without blame before him in love.
John 7
37 And in the last day of the great feast, Jesus stood and cried out, saying,
If anyone thirsts, let him come to Me and drink.
38 He who believes on Me, as the Scripture has said,
"Out of his belly shall flow rivers of living water."
39
(But He spoke this about the Spirit, which they who believed on Him should receive; for the Holy Spirit was not yet given, because Jesus was not yet glorified.)
Revelation 22
17 And
the Spirit and the bride say, Come! And let the one hearing say, Come!
And let him who is thirsty come. And he willing, let him take of the water of life freely.
Revelation 7
13 And one of the elders answered, saying to me, Who are these who are arrayed in white robes, and from where do they come?
14 And I said to him, Sir, you know. And he said to me, These are the ones who came out of great tribulation and have washed their robes, and have whitened them in the blood of the Lamb.
15
Therefore they are before the throne of God, and they serve Him day and night in His temple. And He sitting on the throne will dwell among them.
16 They will not hunger any more, nor thirst any more, nor will the sun light on them, nor any heat.
17 For
the Lamb who is in the midst of the throne will feed them and will lead them to the fountains of living waters. And God will wipe away all tears from their eyes.
WHAT PAUL SAID ABOUT CHRISTIANS WHO SLEEP IN DEATH
While the apostle Paul was still alive, he wrote to the Christians in Philippi, expressing the desire, concerning these Christians and this church which he established, that he "shall be ashamed in nothing, but as always now Christ shall be magnified in my body with all boldness, whether it is by life or by death."
To which Paul added,
"For to me to live is Christ, and to die is gain. But if I live in the flesh, this is the fruit of my labor. Yet I do not know what I shall choose. For I am pressed together by the two:
having a desire to depart and to be with Christ, which is far better. But to remain in the flesh is more needful for you." (Philippians 1:20-24).
In another letter, written to a different congregation of Christians in another place, Paul wrote,
"For we know that
if our earthly house of this tabernacle were dissolved, we have a building from God, a house not made with hands,
eternal in the heavens.
For indeed in this
we groan, earnestly desiring to be clothed with our dwelling-place out of Heaven; if indeed in being clothed, we shall not be found naked.
For we who are in this tabernacle groan, being burdened; inasmuch as we do not wish to be unclothed, but to be clothed, so that the mortal might be swallowed up by the life.
And He who has worked in us for this same thing is God,
who also is giving to us the earnest (guarantee) of the (Holy) Spirit. Then being always confident, knowing that
while we are at home in the body, we are away from home from the Lord; for we walk by faith, not by sight;
then we are confident and we are pleased rather to go away from home out of the body, and to come home to the Lord.
Therefore we are also laboring to be well-pleasing to Him,
whether at home or away from home." (2 Corinthians 5:1-9).
RESURRECTION OF THE BODY
There is a long list of
Resurrection verses (click) in the New Testament,
all of which speak of one thing, and one thing only - the resurrection of the body from the dead, in the day it is raised a spiritual body. There is no verse in the New Testament talking about resurrection, or being raised, or rising again, that speaks of a "spiritual" resurrection. Spiritual regeneration (by the Spirit of God in the new birth from above) is not "resurrection" in any New Testament verse talking about resurrection, being raised, rising again:
"And not only so, but ourselves also, who have the firstfruit of the Spirit, even we ourselves groan within ourselves, awaiting adoption, the redemption of our body."(Romans 8:23)
until the resurrection of the body, Christians are not found in heaven bodily (the way Jesus is, and the way Enoch and Elijah are) - but Christ is risen.
ABRAHAM'S BOSOM
Jesus' parable of Lazarus and the rich man
suggests that those who believed in God and His Word, and who died
before the time that Christ died for our sins and rose again from the dead, were found in "Abraham's bosom" after death.
Christ is said to be "in the bosom of the Father" in John 1:18; and He said to those who believe in Him,
"At that day you shall know that I am in My Father, and you in Me, and I in you." John 14;20
And Paul's words tell us that those who are in Christ through faith in Christ (who is the last Adam), will be found in "Christ's bosom" after death, resting
and waiting for the resurrection of the body - and He (Christ) is in heaven.