Fantastic Four (comic book) for the Canadian reprints. British publication of the series began in the black and white anthology title "Mystic" in the 1960s. In 1972, the Fantastic Four's adventures were published starting with issue 1 of the US comic in "Mighty World of Marvel" alongside Spider-Man and Hulk reprints when Marvel Comics began its imprint Marvel UK. In 1976 the feature was moved to Marvel UK's "The Titans" to revive flagging sales, starting with issue #27. But after just a few months the feature was removed from "The Titans" (replaced by The Avengers) to form part of the line up of the
Fantastic Four (comic book) 1974 and changed its title to "Giant-Size Fantastic Four" with issue #2. John Byrne joined the title with issue #209 (Aug. 1979), doing pencil breakdowns for Sinnott to finish. Bill Mantlo briefly followed Wolfman as writer of the series and wrote a crossover with "Peter Parker, The Spectacular Spider-Man" #42 (May 1980). Byrne wrote and drew a giant-sized Fantastic Four promotional comic for Coca-Cola, which was rejected by Coca-Cola as being too violent and published as "Fantastic Four" #220-221 (July–Aug. 1980) instead. Writer Doug Moench and penciller Bill Sienkiewicz then took over for 10 issues. With issue #232 (July 1981),