FANTASTIC FOUR (1961) #6

Life seems to finally be taking on a semblance of normalcy for the Fantastic Four, although Sue and Johnny fight over her not-so-secret crush on Namor. Meanwhile, Dr. Doom swearing vengeance for his defeat at the hands of the Fantastic Four, recruits The Sub-Mariner to aid in the destruction of the male members of the team. The Fantastic Four had difficulty beating each of these villains on their own – how can they possibly stand up to the combined forces of the Diabolical Duo? Namor intrudes inside the Baxter building. Then Doom transports the Baxter building in to space.…