I love this scripture, but the list has always been a bit hazy to me.
The main point is that ALL will be made alive, but each in turn. (meaning not all at once) The order of events seems a bit unclear though.
The term "the firstfruits" is unclear. Earlier in the chapter it refers to Christ, but as an individual within the larger group. That is, the leader of the procession that follows. So, it is unclear to me if "the firstfruits" is still in reference to Christ as leading the way, or in reference to the predestined in this life. Backing up to verse 22, does "made alive" refer to our resurrection from Hades? Are we not already "made alive" in this life (John 5:24) and bound for heaven? (skip Hades)
1 Corinthians 15:22-24 NIV
For as in Adam all die, so
in Christ all will be made alive. 23
But each in turn: Christ, the firstfruits; then, when he comes, those who belong to him. 24 Then the end will come, when he hands over the kingdom to God the Father after he has destroyed all dominion, authority and power.