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It's impossible to fully understand the mystery that is revealed in the New Testament by ignoring the New Testament and going back to the Old Testament otherwise the Jews would have figured it out and wouldn't have crucified the Lord of glory as apostle Paul wrote. 1 Corinthians 2:8

"No, we speak of the mysterious and hidden wisdom of God, which He destined for our glory before time began. 8 None of the rulers of this age understood it. For if they had, they would not have crucified the Lord of glory."--1 Corinthians 2:7-8
Notice the reference to pre-destination in verse 7.
Revelations says the mystery will not be completed until the end. Which is why the armies of the world will fight Him.
In both the crucifixion and at the end, He was not, and will not be recognized as God, because in both cases people were and are expecting something different then what comes. In both cases the reason for this is ignoring the prophets.