This issue has variants.
Cover is an homage to the cover of Fantastic Four (Marvel, 1961 series) #1.
Stan Lee's Soapbox takes almost the entire page. Stan explains that he's turned over the editorial reins to Roy Thomas and Frank Giacoia has been appointed assistant art director. Stan will spend his time "dreaming up new, exciting projects for the Bullpen, new directions for us to take, new types of mags to produce--both comics and other kinds, and new fields for Marvel to conquer in film, TV, books, and you-name-it-we'll-do-it!" Rest of the page is The Mighty Marvel Checklist of issues "now on sale."