MONSTERS ON THE PROWL (1971) #27

Sserpo! the Creature Who Crushed the Earth!, pencils by Jack Kirby, inks by George Klein; A growth serum is abandoned and eaten by a lizard, which grows big enough to menace the Earth; The world is only saved when a scientist, the great-grandson of the inventor of the serum, contacts aliens on Jupiter, who use their advanced technology to restore the creature to normal. Earth Will Be Lost Tonight!, script by Larry Lieber and Stan Lee (plot), pencils by Jack Kirby, inks by Dick Ayers; An agent signs a mysterious singer who is an instant hit; The agent finds that the singer is an alien whose next record will help his people conquer Earth.