[fortheDeclaration]

There will not be a great apostasy prior to the rapture

Yes, there will be, the Laodican church will be lukewarm.

Paul predicted that the church would degenerate (Acts.20, 1Tim.3, 2Tim.4) and so did Peter (2Pe.2)

[blue-duncan]

"Yes, there will be, the Laodican church will be lukewarm."

Out of the seven churches, 4 are praised but there are deficiencies that need repentance and work, 2 are praised without any remonstrance and Laodicia is warned she is in trouble. There is no great apostasy in the churches, in fact they are raptured for there is nothing further said of the churches after the third chapter until chapter 21.

I don't see any great apostasy in the churches before the rapture in the other scriptures you cite. They are general warnings of potential heresies and divisive spirits that any seminary student would hear today. The rapture will take place without any signs, "a thief in the night".