John 3:29 He that hath the bride is the bridegroom: but the friend of the bridegroom, which standeth and heareth him, rejoiceth greatly because of the bridegroom's voice: this my joy therefore is fulfilled.Revelation 18:23 And the light of a candle shall shine no more at all in thee; and the voice of the bridegroom and of the bride shall be heard no more at all in thee: for thy merchants were the great men of the earth; for by thy sorceries were all nations deceived.
Revelation 21:2 And I John saw the holy city, new Jerusalem, coming down from God out of heaven, prepared as a bride adorned for her husband.
Revelation 21:9 And there came unto me one of the seven angels which had the seven vials full of the seven last plagues, and talked with me, saying, Come hither, I will shew thee the bride, the Lamb's wife.
Only Rev 21:2 and 21:9-10 directly refer to the New (or Heavenly) Jerusalem as the bride of Christ. No scriptures make a specific connection of the church as the bride of Christ. You are assuming that other references to a bride must necessarily refer to the church. Context is everything. As Freud was reputed to have once said, sometimes a cigar is just a cigar. If the Heavenly Jerusalem is the bride of Christ and the church is also the bride of Christ, that would make Christ a bigamist. I don’t think so.