You tell me.
Consider the following:
Luke chapter 24
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13] And, behold, two of them went that same day to a village called Emmaus, which was from Jerusalem about threescore furlongs.
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14] And they talked together of all these things which had happened.
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15] And it came to pass, that, while they communed together and reasoned, Jesus himself drew near, and went with them.
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16] But their eyes were holden that they should not know him.
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17] And he said unto them, What manner of communications are these that ye have one to another, as ye walk, and are sad?
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18] And the one of them, whose name was Cleopas, answering said unto him, Art thou only a stranger in Jerusalem, and hast not known the things which are come to pass therein these days?
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19] And he said unto them, What things? And they said unto him, Concerning Jesus of Nazareth, which was a prophet mighty in deed and word before God and all the people:
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20] And how the chief priests and our rulers delivered him to be condemned to death, and have crucified him.
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21] But we trusted that it had been he which should have redeemed Israel: and beside all this, to day is the third day since these things were done.
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22] Yea, and certain women also of our company made us astonished, which were early at the sepulchre;
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23] And when they found not his body, they came, saying, that they had also seen a vision of angels, which said that he was alive.
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24] And certain of them which were with us went to the sepulchre, and found it even so as the women had said: but him they saw not.
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25]
Then he said unto them, O fools, and slow of heart to believe all that the prophets have spoken:
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26]
Ought not Christ to have suffered these things, and to enter into his glory?
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27]
And beginning at Moses and all the prophets, he expounded unto them in all the scriptures the things concerning himself.
Why would Jesus rebuke two men while telling them that they were "fools and slow of heart to believe all that the prophets have spoken" in relation to his sufferings and glorification if they hadn't already foretold of the same?
Beyond just the prophets themselves, Jesus expounded unto these two men what Moses had also written concerning himself and what had been written IN ALL THE SCRIPTURES concerning himself.
As I said, certain individuals were plainly aware of these "mysteries" before either Jesus or Paul addressed them in the New Testament.
Having read many of your posts here, I believe that you're totally misreading the following bold-faced and underlined portion of scripture and therefore drawing some errant conclusions from the same:
Ephesians chapter 3
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1] For this cause I Paul, the prisoner of Jesus Christ for you Gentiles,
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2] If ye have heard of the dispensation of the grace of God which is given me to youward:
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3] How that by revelation he made known unto me
the mystery; (as I wrote afore in few words,
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4] Whereby, when ye read, ye may understand my knowledge in
the mystery of Christ)
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5]
Which in other ages was not made known unto the sons of men, as it is now revealed unto his holy apostles and prophets by the Spirit;
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6] That the Gentiles should be fellowheirs, and of the same body, and partakers of his promise in Christ by the gospel:
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7] Whereof I was made a minister, according to the gift of the grace of God given unto me by the effectual working of his power.
In other words, whereas Paul said that these "mysteries" in other ages were not made known unto the sons of men
AS it is now revealed, you seem to be reading it as if it says that these "mysteries" in other ages were not made known unto the sons of men
BUT it is now revealed.
There's a world of difference between the two.
Paul and others were giving a fuller revelation in scale of things which were previously known by others.
They were not giving a NEW revelation of things which were previously unknown by anyone.