Here is a quick summary...
1975 Comic Book Heroes Stickers
T-34 Test issue (first test) - 22 tan back stickers (no variations), 9 checklist/puzzle (2 copyright variations) - Copyrights: no year Topps, 1974 Marvel
*****
T-47 Test issue (second test) - 40 tan back stickers (4 copyright variations), 9 checklist/puzzle (2 copyright variations) - Copyrights: 1975 Topps, 1975 Marvel
*****
Retail (first revision) - 40 tan back stickers (4 copyright variations), 9 checklist/puzzle (2 copyright variations) - Copyrights: 1975 Topps, 1974 Marvel
4-488-05-01-5
154 sticker print sheet layout (77 per side) on tan back stock
Issued in square display box (6x6 pack layout) 1-488-70-01-5
SPIDER-MAN - 2
"BUG OFF!"
CAPTAIN MARVEL
"FLY THE FRIENDLY SKIES OF UNITED!"
*****
Retail (second revision) - 40 white back stickers (4 copyright variations), 9 checklist/puzzle (2 copyright variations) - Copyrights: 1975 Topps, 1974 Marvel
4-488-05-02-5
264 sticker print sheet layout (132 per side) on white back stock
Issued in rectangular display box (4x9 pack layout) 1-488-70-02-5
SPIDER-MAN - 2
"BUG OFF!"
CAPTAIN MARVEL
"FLY THE FRIENDLY SKIES OF UNITED!"
*****
Retail (third revision) - 40 white back stickers (4 copyright variations), 9 checklist/puzzle (2 copyright variations) - Copyrights: 1975 Topps, 1974 Marvel
4-488-05-03-5
264 sticker print sheet layout (132 per side) on white back stock
Issued in rectangular display box (4x9 pack layout) 1-488-70-02-5
SPIDER-MAN - 2
"YOU DRIVE ME UP A WALL!"
CAPTAIN MARVEL
"FLY THE FRIENDLY SKIES OF UNITED!"
*****
Acetate material test (same as retail third revision) - 40 clear acetate, white back stickers (4 copyright variations) - Copyrights: 1975 Topps, 1974 Marvel
4-488-05-03-5
264 sticker print sheet layout (132 per side) on acetate white back stock
*****
Retail UK (fourth revision) - 40 white back stickers (4 copyright variations), 9 checklist/puzzle (2 copyright variations) - Copyrights: 1975 Topps, 1974 Marvel
4-488-05-04-5 (US) or 4-486-05-01-5 (UK) or both?
Issued in square display box (6x6 pack layout?) 1-486-40-01-5
264 sticker print sheet layout (132 per side) on white back stock
SPIDER-MAN - 2
"YOU DRIVE ME UP A WALL!"
CAPTAIN MARVEL
"WHICH WAY TO THE JOHN?"
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1976 Marvel Super Heroes Stickers (I haven't researched this series much yet, so I don't have info on variations or stock)
Retail (first revision) - 40 white back stickers, 9 checklist/puzzle
4-411-05-01-6 (1st revision sheet)
Conan "SHALL WE DANCE?"
Loki "WHO SAYS I'M BULL-HEADED?"
Luke Cage "LIKE MY DENTURE WORK?"
Hercules "LIKE MY NAIL POLISH"
The Hulk "HELP CURE ATHLETE'S FEET!"
Volstagg "FAT IS BEAUTIFUL"
*****
Retail (second revision) - 40 white back stickers, 9 checklist/puzzle
4-411-05-02-6 (2nd revision sheet)
Conan "HOLD THE PICKLE... OR ELSE!"
Loki "WHAT AN AWFUL CASE OF EAR-WAX!"
Luke Cage "TWO ALL BEEF PATTIES PLEASE!"
Hercules "LOOK, I HAVE A HANG-NAIL!"
The Hulk "CAN'T ANYONE MAKE CUFFS RIGHT?"
Volstagg "I WAS A 980 POUND WEAKLING!"
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1979 Marvel Super Heroes Stickers
Retail
0-423-0-9 - 40 white back stickers, 9 checklist/puzzle
UK (1979 issue with blue peel instructions on back)
Conan "HOLD THE PICKLE... OR ELSE!"
Loki "WHAT AN AWFUL CASE OF EAR-WAX!"
Luke Cage "TWO ALL BEEF PATTIES PLEASE!"
Hercules "LOOK, I HAVE A HANG-NAIL!"
The Hulk "CAN'T ANYONE MAKE CUFFS RIGHT?"
Volstagg "I WAS A 980 POUND WEAKLING!"
I don't have info on other foreign issues.