Three phases of amazement.
Mark is a storyteller, and the story he is telling is the story of Jesus Christ through the lens of the Apostle Peter’s stories for Roman Christians undergoing persecution.
The Christians in Rome had already heard and believed the good news of God’s saving power (Rom. 1:8) but they needed to hear it again with a new emphasis to catch afresh its implications for their lives in a difficult culture that was not supportive of their faith.
He introduces his subject – ‘the gospel of Jesus Christ’ – Mark 1:1 “The beginning of the gospel of Jesus Christ, the Son of God” – this first verse is like the title of the book – the good news of Jesus Christ.
All this to establish Mark’s thesis that Jesus is the Son of God and our response to his accounts is to repent and believe the good news…