THEN COMES THE END, Stacy thinks this refers to the tribulation. I say no.

 @{KISStheSON}  Stacy, listen, in I COR 15:20-28… “the end” to which he is referring… is THE END of the making alive process… in verse 22 Paul says EVEN AS in Adam, all die, so in Christ shall all be made alive… Verse 20 kicks off the topic by saying that Christ is the firstfruit of those who are reposing.
The word FIRSTFRUIT is a farming metaphor… it indicates how the rest of the crop will turn out. So if the firstfruit is good, the rest of the crop will be good.
The whole section (verses 20 through 28) is about vivification.. making all alive beyond the reach of death.
So, there are three steps (three orders) in this process.
1. Christ, the firstfruit.
2. Those who are Christ’s at His presence.
– – but that doesn’t cover ALL. So the next order is…3. THE END of the process of making all alive beyond the reach of death.
“The end” is the grand, final step… in which all are made alive in Christ.
THE CONTEXT is all about this.
“Then comes the end”– the end of what? ANSWER: The end of the process of which Christ is the firstfruit. You see, if all are not made alive in Christ, then firstfruit is misleading. And the vast majority of the crop is a disaster.”THE END” is so powerful, so sweet, so complete, that Christ gives up His kingdom (V. 24)– His reign is no longer needed. His work is now complete.
The phrase here (the end) does not refer to the tribulation, no, it is far beyond that.
“Then comes the end”… should be a glorious thought in our minds… we should quote those four words with great JOY and PEACE… finally, then comes the end, when He gives up His kingdom, abolishes rule, authority and power, — and finally he abolished DEATH (the last enemy) and if death is abolished, of course verse 22 can come true.

Conversely: if all are not made alive in Christ, then death is not abolished. And God cannot be all in all. Instead, He will be all in those who are left.

Again… the phrase THEN COMES THE END… must be viewed in the context of verses 20-28… the subject: all dying in Adam and all being made alive in Christ.
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AND NOW FOR YOUR VIEWING PLEASURE, LET’S HEAR FROM OUR APOSTLE ON THIS MATTER:
— I CORINTHIANS 15 VERSES 20 THROUGH 28 —
Concordant Literal New Testament
20 (Yet now Christ has been roused from among the dead, the Firstfruit of those who are reposing.
21 For since, in fact, through a man came death, through a Man, also, comes the resurrection of the dead.
22 For even as, in Adam, all are dying, thus also, in Christ, shall all be vivified.
23 Yet each in his own class: the Firstfruit, Christ; thereupon those who are Christ’s in His presence;
24 thereafter the consummation, whenever He may be giving up the kingdom to His God and Father, whenever He should be nullifying all sovereignty and all authority and power.
25 For He must be reigning until He should be placing all His enemies under His feet.
26 The last enemy is being abolished: death.
27 For He subjects all under His feet. Now whenever He may be saying that all is subject, it is evident that it is outside of Him Who subjects all to Him.
28 Now, whenever all may be subjected to Him, then the Son Himself also shall be subjected to Him Who subjects all to Him, that God may be All in all.)