Much is made of the end of the world theme in 2 Peter 3, and of course the return of Jesus is not to be bypassed. According to scholar NT Wright, the context was that a generation of Christians was passing away without a returning of Christ, which many did think would happen in their lifetime. Despite that, the future of a new Heaven and new earth remains, and a just and righteous God remains the judge and pardoner of all as He chooses.