“The sequel to Kingsman: The Golden Circle”

The last time we used that reasoning with a George we got the prequels...

Or perhaps the plateau of Leng or the Mountains of Madness - “Queer skyline effects—regular sections of cubes clinging to highest peaks. Whole thing marvellous in red-gold light of low sun. Like land of mystery in a dream or gateway to forbidden world of untrodden wonder.”