The Frightful Four first appeared in Fantastic Four #36 (March 1965), and was created by Stan Lee and Jack Kirby.
The team subsequently appears in Fantastic Four #129 (December 1972), #177 (December 1976), Spectacular Spider-Man #42 (May 1980), The Amazing Spider-Man #214-215 (March-April 1981), Fantastic Four #326-328 (May-July 1989), Fantastic Four Unlimited #5 (March 1994), Incredible Hulk (vol.