The in gathering of the Nations?

On the eve of the events of Easter let us ponder on times ahead for the believers at the end of the ages, when in the rule of Jesus that nations will be gathered to Him!

The promise is one of many long standing ones, that will eventually be fulfilled, as promised in the now generally abandoned Book of Revelation and false ideas that God is finished with Israel, because He is not?

Isaiah 11:10, 49:20, Roman 15:12.