Action Comics (1938-) #317

“SUPERMAN’S RAINBOW FACE!” Red Kryptonite exposure causes Superman’s face to turn different colors based on his emotions! Plus, “THE GREAT SUPERGIRL DOUBLE-CROSS!” Lena Thorul has fallen in love with Jeff Colby, a mysterious man whom Supergirl, with her super-vision, has seen consorting with the spies who operate in Spy-Dome three miles off the coast of America.