Originally Posted by Wonder Boy
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[Linked Image from milehighcomics.com]

One of the pioneers of photo-collage in comic art, Jack Kirby did quite a bit of it across Marvel titles from 1964-1966, as this cover from FANTASTIC FOUR 33 (Dec 1964) demonstrates.
As you can see in the full story I linked, the page 8 splash page is also a photo-collage.

Photo-collage pages by Kirby also appear in issues 29, 32, 37, 39, 48, 51, 55 and the above shown double-page spread in 62, to name just a few.

In some ways I like the reproduction of this better, as reprinted on the cover of MARVEL'S GREATEST COMICS 25, despite the added clutter:
http://images.wwcomics.com/images/large/MGrea_25_Sav.jpg
https://www.mycomicshop.com/search?TID=176701


As I've said before, ViewComicOnline.com , OneMillionComics.com, and ComicOnlineFree.com no longer exist, so those links no longer work, and here are replacement links.

I also went through FANTASTIC FOUR issues 1-102 to find all the issues where Kirby did photo-collage art, and added he rest, not previously included :

FF 29, Aug 1964, page 11 ....... https://readallcomics.com/fantastic-four-v1-029/

FF 32, Nov 1964, page 3 ....... https://readallcomics.com/fantastic-four-v1-032/
FF 33, Dec 1964, cover, and page 8 ....... https://readallcomics.com/fantastic-four-v1-033/

FF 37, April 1965, page 6 ........ https://readallcomics.com/fantastic-four-v1-037/
FF 39, June 1965, page 4 ....... https://readallcomics.com/fantastic-four-v1-039/

FF ANNUAL 3, Oct 1965, page 20 ........ https://readallcomics.com/fantastic-four-v1-annual-003/

FF 44-50, buildings and street scenes are very detailed, and look to be drawn from photo-reference. ....... https://readallcomics.com/fantastic-four-v1-044/

FF 48, March 1966, page 19 ....... https://readallcomics.com/fantastic-four-v1-048/

FF 51, June 1966, page 14 ....... https://readallcomics.com/fantastic-four-v1-051/

FF 55, Oct 1966, page 8 ....... https://readallcomics.com/fantastic-four-v1-055/

FF 62, May 1967, pages 4-5 double-page spread ....... https://readallcomics.com/fantastic-four-v1-062/

FF ANNUAL 6, Nov 1968, pages 4-5, double-page spread ...... https://readallcomics.com/fantastic-four-v1-annual-006/

FF 89, Aug 1969, page 6 ....... https://readallcomics.com/fantastic-four-v1-089/


There are probably other artists who did photo-collage between 1938 and 1964, but certainly Kirby has used it more continuously in his work than any other artist. I'd love to see some examples pre-dating Kirby's FF work.
I've posted some above in prior posts, from western comics, crime comics, and science fiction comics, and I'll post more as I run across them.