Mysterio is the name of three fictional characters that appears in comic books publishe by Marvel Comics. The original Mysterio was created by Stan Lee and Steve Ditko and first appears was in Amazing Spider-Man #13, although it was later retconned that the aliens seen in Amazing Spider-Man #2 had been Mysterio and his men in disguise; it was revealed that he had been hired by the Tinkerer to disguise himself as an extraterrestrial and uncover military and industrial secrets.