| Release: | Oct 28, 1969 |
| Cover: | Jan 1970 |
The Return of the Frightful Four
| Release: | Oct 28, 1969 |
| Cover: | Jan 1970 |
The team go to meet Franklin's new nanny, one Agatha Harkness. While there, the Frightful Four attack quickly and mercilessly, putting all four teammates out of commission. The only chance Franklin has is the aged nanny the team have arranged, but what could she do for him?
| Writer | Stan Lee |
| Cover Penciller | Jack Kirby |
| Cover Inker | Joe Sinnott |
| Penciller | Jack Kirby |
| Inker | Joe Sinnott |
| Letterer | Sam Rosen |
| Editor | Stan Lee |
| Editor in Chief | Stan Lee |
| The Thing | Benjamin J. Grimm |
| Mr. Fantastic | Reed Richards |
| Human Torch | Jonathan 'Johnny' Storm |
| Invisible Woman | Susan Storm Richards |
| Franklin Richards | |
| Medusa | Medusalith Amaquelin-Boltagon |
| Crystal | Crystalia Amaquelin-Maximoff |
| Sandman | William 'Flint Marko' Baker |
| Wizard | Bentley Wittman |
| Agatha Harkness | |
| Trapster | Peter Petruski |
| Crystal | Crystalia Amaquelin |
| Ebony the Cat |
| Age | Bronze Age |
|---|---|
| Format | Digital |
| Series Group | Fantastic Four |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |