Where does it say he had a physical body before coming to earth?
Jesus was the
visible of the invisible God from the beginning,
then while on earth, as now.
Colossians 1:15 The Son is the
image of the invisible God, the firstborn over all creation.
John 14:9
Jesus answered: "Don't you know me, Philip, even after I have been among you such a long time?
Anyone who has seen me has seen the Father. How can you say, 'Show us the Father'?
2 Corinthians 4:4
The god of this age has blinded the minds of unbelievers, so that they cannot see the light of the gospel that displays the glory of Christ, who is the
image of God.
Hebrews 11:27
By faith he left Egypt, not fearing the king's anger; he persevered because
he saw him who is invisible.
God is invisible, and He lives in unapproachable light. See 1 Timothy 6:16.
In the beginning, He made Himself a visible body, the Spiritual body of the man Jesus Christ. See Colossians 1:15.
This Jesus is God the Father made visible. See Hebrews 1:3, and Colossians 1:15.
God the Father made everything through Jesus. See Colossians 1:16.
Jesus is the same God who spoke to us in the Old Testament. See Revelation 1:8, 17; Revelation 22:13; Isaiah 44:6; Isaiah 48:12.
Jesus emptied himself from that Spiritual BODY in heaven; he made himself nothing when he came to earth as a human.
After Jesus died, he was resurrected and given the same glory and Spiritual body he had before he came to earth.
This scripture Jesus tells the Father to glorify him in His presence with the GLORY he had before the world began.
John 17:5 And now, Father, glorify me in your presence with the glory I had with you before the world began.
John 17:24 "Father, I want those you have given me to be with me where I am, and to see my glory, the glory you have given me because you loved me before the creation of the world.