Flash Gordon: Invasion of the Red Sword #4

The Invasion Continues! As Flash Gordon deals with the consequences of Ming the 'Merciful's' betrayal, King Thun finds himself battling none other than Fria, Queen of the distant, icy land known as Frigia. She has a deadly secret - and she's willing to kill to protect it! Meanwhile, the forces of the Red Sword continue to hunt Dale Arden and Prince Vultan, who become the unwilling guests of the Power Men of Mongo!