I also contend that a gospel that is first Christology and then soteriology is more biblical and differs from the gospels that are through and through soteriology. I ask this: Does your gospel tell me about Jesus (Messiah, Lord, Savior) or does your gospel tell me how to get saved (and Jesus is the one who does it)? That’s the difference.
The gospel of Jesus and Peter and Paul is a gospel that is first Christology and second soteriology.
Having just finished a teaching series called “The Gospel according to Ephesians,” in which I used the “Romans Road” gospel presentation to contrast what Scot calls the “soterian gospel” with the “King Jesus” gospel, I found it quite enlightening. Maybe you will, too.