Most pages in this issue are tinted green (the colour chosen to match the Hulk, as Spider-Man Comics Weekly, for its first several issues, was tinted red, to go with parts of Spidey's costume); untinted pages are pages 7/8, 13/14, 27/28, 33/34.
Slight layout changes, typically some top and/or bottoms of panels cropped slightly in height so the pages fit the UK page size.
The two chapters are printed as one in this reprint.
"The Hulk Strikes!" chapter is from the reprint from Marvel Collectors' Item Classics (Marvel, 1965 series) #14, you can tell this due to the text blurb caption at the bottom of the page at the end of the chapter. Also this UK reprint does not reprint "The Hulk Strikes!" 1st splash/title page.
This Hulk story covers pages 2-8 and 12-14.
This is a reprint of the cover of Fantastic Four #1, minus all cover text; new text proclaims the scene to be a symbolic one, showing one of the "marauding minions" of the Mole Man; a flash at the bottom of the page announces that readers will meet him next week [as this issue reprints the origin half of FF #1 only]. The cover has been recoloured (for instance, Sue's red dress of the original cover is here coloured blue, as are the Thing's trunks and Reed's entire outfit - this is presumably an attempt to make their clothes resemble the costumes of a little later). Lastly, an extra floor or two has been added to the buildings on the right.
This covers page 10 of the comic, within the Hulk story.
Various small changes are made to dialogue in the story: one example is the last panel of story page 7, where the Torch's assessment that the missile "has a nuclear warhead" is amended to "an explosive warhead" (and quite right too); in another example, on story page 9, panel 2, "the commies" becomes "the Russians", while the dialogue in panel 4 is completely omitted. On story page 14, panel 2, the "Americanism" " ... period" is removed, while in panel 5 the shape of the dialogue is altered by changing the first speaker from Sue, to Reed; Ben's speech is then directed not at Sue but at Reed, calling him "a prissy dummy"! Panel 6 then further alters Ben's speech, basically removing all reference to the early notion that Ben was jealous of Reed with regard to Sue. In addition, this editing leads to an alteration on story page 13, panel 8, where Ben credits Reed with naming him "the Thing" rather than Sue.
This story covers pages 15-19 and 22-29.
Message from Stan Lee about the launch of Marvel U.K. and details of "The world's greatest free gift offer!": for ten weeks, each issue will bear a numbered coupon - collect eight and mail them in for the gift; along with a coupon, each issue will also carry a clue to the mystery gift. This issue, coupon no. 1 shows the Hulk's face, and the clue is: "It's bigger than a breadbox!"
This centrespread covers pages 20 and 21, within the Fantastic Four story.
Part 2 title-page [story page 7] omitted.
Story covers pages 31 to 40; page 40 is the back page of the comic and is in colour.