And then shall that Wicked be revealed, whom the Lord shall consume with the spirit of his mouth, and shall destroy with the brightness of his coming:
8 And then will be revealed — that is, when that impediment (τὸ κατέχον) shall be removed; for he does not point out the time of revelation as being when he, who now holds the supremacy, will be taken out of the way, but he has an eye to what he had said before.
In these words the apostle confutes the error against which he had cautioned them, and gives the reasons why they should not expect the coming of Christ as just at hand. There were several events previous to the second coming of Christ; in particular, he tells them there would be, I. A general apostasy, there would come a falling away first, Th2 2:3.
Commenting on 2 Thessalonians 2:3-12
And then shall that wicked be revealed,.... That lawless one, who sets himself above the laws of God and man, and dispenses with them at pleasure, who judges all men, but is judged by no man; as he was in his ecclesiastical power, when Phocas, who murdered the Emperor Mauritius, granted to Boniface III.