Paul is dealing with a different matter here in the scripture you show.
And what "matter", would that be?
But let's look at the CONTEXT of Paul's discourse in 1 Corinthians 15:
12Now if Christ is preached that He has been raised from the dead, how do some among you say that there is no resurrection of the dead? 13But if there is no resurrection of the dead, then Christ is not risen. 14And if Christ is not risen, then our preaching is empty and your faith is also empty. 15Yes, and we are found false witnesses of God, because we have testified of God that He raised up Christ, whom He did not raise up--if in fact the dead do not rise. 16For if the dead do not rise, then Christ is not risen. 17And if Christ is not risen, your faith is futile; you are still in your sins! 18Then also those who have fallen asleep in Christ have perished. 19If in this life only we have hope in Christ, we are of all men the most pitiable.
*****note; the CONTEXT is resurrection*****
20But now Christ is risen from the dead, and has become the firstfruits of those who have fallen asleep. 21For since by man came death, by Man also came the resurrection of the dead. 22For as in Adam all die, even so in Christ all shall be made alive. 23But each one in his own order: Christ the firstfruits, afterward those who are Christ's at His coming. 24Then comes the end, when He delivers the kingdom to God the Father, when He puts an end to all rule and all authority and power.
*****note; Paul without any doubt, and as plainly as it can be said, says clearly that Christ is the firstfruit of the Resurrection and "at His Coming"(hint: that means His Second Coming)Then comes the end, when He delivers the kingdom to God the Father, when He puts an end to all rule and all authority and power.*****
The end, means exactly that, "the end". Christ puts and end to all rule and all authority and power at His Coming in Judgment. No secret, two stage coming. It is one, and is equivalent to Resurrection and Judgment.
It doesn't get any plainer than that.
Well, I guess you'll just have to search through this thread and find the catching away of the church scriptures that I posted for you. If you are at all sincere about wanting to expand your knowledge , then you will do just that.