Then I saw another great and marvelous sign in heaven: seven angels with the seven final plagues, with which the wrath of God is completed.
Here we have the preparation of matters for the pouring out of the seven vials, which was committed to seven angels; and observe how these angels appeared to the apostle - in heaven; it was in a wonderful manner, and that upon account, 1. Of the work they had to do, which was to finish the destruction of antichrist.
Commenting on Revelation 15:1-4
And I saw another sign in heaven, great and marvellous,.... This chapter is a preparation to the pouring out of the seven vials, as Rev 16:1 is to the sending of the seven epistles, and Rev 2:1 to the seven seals and seven trumpets: the vision is called a "sign", because what was seen was significative of future events; a sign of the coming of...
CHAPTER XV ANALYSIS OF THE CHAPTER THIS chapter has a close connexion in design with the previous chapter. In that, pledges and assurances had been given that all the enemies of religion would be cut off, and that the church would be ultimately triumphant, and particularly that that formidable Antichristian power represented by the "beast" would be destroyed.