Upvote:2
Some believe (Lutherans for example, and me - I am Episcopalian) that Jesus is God incarnate, therefore it is not the son at all, but God that is hanging on the cross. But if you must, consider John 10:18
βNo one has taken it away from Me, but I lay it down on My own initiative. I have authority to lay it down, and I have authority to take it up again. This commandment I received from My Father.β
Christ has chosen to accept the assignment and can also refuse. Even He has free will. Free to come and go as it were.