Here's a full-page ad that appeared in the February, 1977 cover-dated DC Comics, featuring an assortment of Power Records Book-And-Record sets. You'll notice a few Spider-Man ones here! Power Records was a division of Peter Pan Records.
Yes, in those days before VCRs, DVDs, etc., if you wanted to watch something when you wanted to watch it, you needed to buy it in 8mm or Super 8mm, and show it with a projector! Here's one of them, adapted from an episode of the 1960s Spidey cartoon!
OK, I'm going to see how many of these photos I've got, and then decide if it'll run for more than one day! Back in the 1970s, to promote the sale of Slurpees, 7-Eleven licensed first the DC, and then the Marvel characters to be used on plastic cups you'd get free with your Slurpees! I remember many a summer buying Slurpees just to get the cups! Spidey, naturally, appeared on a lot of them!
The first Marvel series came out in 1975, and these were followed up in the summer of 77 with wrap-around cups!
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