Revelation 21:2
This is not "heaven" but heaven’ s picture of the new messianic age.
Cf. v. 10, John saw a city, but it is described as a bride.
cf. Heb. 12:22
2 Cor. 11:2; espoused to Christ; Rom. 7:1-6, married to Christ. Eph. 5, the church is his bride.