Fantastic Four (comic book) from US Fantastic Four 1, but this was replaced by The Invaders towards the end of the run. In 1978 that series merged into "Mighty World Of Marvel" returning the FF to their original home alongside the Hulk. Their last adventure in that title was issue 329, when they were moved out so that the comic could be relaunched as "Marvel Comic" in early 1979. Their adventures briefly moved back into "Spider-Man Comic" before stopping shortly after John Byrne took over pencilling chores on the strip. In March 1980 Marvel UK launched the Fantastic Four Pocketbook reprinting Lee and Kirby
Fantastic Four (comic book) new "Captain Britain Weekly" for its first issue in October 1976. After the demise of "Captain Britain Weekly" the FF went with Captain Britain into the merged "Super Spider-man and Captain Britain Weekly" in July 1977. A few months after the merger a new title "The Complete Fantastic Four" was launched in September 1977 starting with the story from the US Fantastic Four #133. Unusually "The Complete Fantastic Four" reprinted an entire issue of the US publication at a time when stories were always broken up into several installments. As a back up strip it started serializing the FF's adventures