Mike Bickle emphasizes the duality of Jesus as both the Bridegroom and the Warrior King in Revelation 19:11-21, illustrating the significance of His return as a military leader to liberate Jerusalem from oppression. He explains that this event is not merely symbolic but a literal and dramatic culmination of God's plan for justice and love, where Jesus will confront the nations that oppose Him. Bickle highlights the importance of understanding the violent imagery in this passage as a necessary part of God's love and justice, ultimately leading to the establishment of His kingdom on earth. He encourages believers to study Revelation 19 deeply, as it reveals the beauty and power of Jesus in the context of His final victory over evil. The sermon calls for a recognition of the urgency and reality of these prophetic events as they may unfold in our lifetime.