Probably with Thanksgiving hot on the heels of this holiday and kids still in school,it doesn't seem like the timing would be as good as the Christmas and summer vacation Giants. I don't recall the Disney gang doing Halloween specials although Huey Dewey and Louie did Back to School Giants (small consolation when that when came out!) it seems like the Western gang had a pretty consistent strategy in the fifties. I wonder why Bugs got Halloween?
Maybe because the Looney Tunes were more 'wascally' than the Disney gang Dell thought Halloween was a better fit? Or maybe Disney opposed?
Really not sure. Instead of a 5th Halloween issue, they did the County Fair giant instead; which they got on sale a bit earlier than the Halloween issues. I'm guessing they wanted to at least try a Halloween Giant, and they had more obvious candidates for Disney giants, so they went with Bugs, who had somewhat less obvious excuses for giants.
Sigh. I wonder which box has my handful of Disney Giants right now...