I agree with you, except I believe He is speaking of His 2nd Coming and that the Rapture will occur before Gog-Magog. Unless Gog-Magog happens prior to Antichrist being revealed, but I don't think so.

2 Thessalonians 2:2-3 (NASB)
²  that you not be quickly shaken from your composure or be disturbed either by a spirit or a message or a letter as if from us, to the effect that the day of the Lord has come.
³  Let no one in any way deceive you, for it will not come unless the apostasy comes first, and the man of lawlessness is revealed, the son of destruction,