This is the cover to Newton Comics' The Incredible Hulk #8:
It originally appeared on Marvel Comics' The Incredible Hulk #102:
The Newton image has some altered linework - note the prominent extension and retouching of Hulk's right fist - and has also been angled a few degrees, as per below:
The story contents are as follows:
This Monster Unleashed!, originally published in The Incredible Hulk #105, July 1968
Enter The Hulk [Part 3], originally published in Tales to Astonish #59, September 1964
This Monster Unleashed! is reprinted complete and intact, apart from very minor cropping at the bottom of the splash page. Note the cover to The Incredible Hulk #105 was previously used on Newton's The Incredible Hulk #2.
The third and final instalment of Enter the Hulk - without the colon in the title - is reprinted with an amended title page:
The inclusion of the title necessitated cropping of the art. In the previous issue the top tier was shortened. In this issue the bottom tier is sacrificed. Compare with a scan of a reprint of the original page:
My copy is missing the poster and the card, however I copied a photo of this issue from an eBay listing which included both:
This issue contains the following in-house advertisements for other Newton comics:
This issue includes the ad for Origins of Marvel Comics:
The rear cover has a t-shirt offer. Presumably the outer pages of the poster contain letters pages but they may also have other in-house advertisements. TBA.
The contest expires 24 November 1975, two weeks after the contest expiry date in The Incredible Hulk #7. This suggests a publication date of 11 October 1975. This is affirmed by crosschecking publication dates and contest expiry dates in other Newton Comics issues.
This issue was advertised in-house:
This advertisement appeared in The Avengers #8.
Thanks to Mark Cannon and Mark Muller for chipping in with their insights and providing the photo above of the two side-by-side issues.