Yes indeed, a sad day for Marvel fans. My favourite always has been Spiderman. As a boy I was given the Spiderman annual one Christmas and from then no other superhero got a look in. The fact that he had flaws and made mistakes made Spiderman all the more believable.
When Xmen movies came out, again I was intrigued by the concept of people who were different genetically being discriminated against. Again, it was relatable and the parallel with the real world was cleverly observed.
As someone with bipolar, I experienced misunderstanding from relatives and discrimination when applying for jobs.
Stan Lee with all his collaborators has created a gallery of characters that will endure forever...
When I was a youngster, I was never really a fan of The Hulk, Spiderman, or The Avengers. What I loved were monster comics! And you couldn't get more monstrous than Marvel's Dracula Lives, which I discovered later was a UK comic made up of edited episodes from American comics featuring Dracula, Werewolf and Frankenstein. The artwork was incredible, and the dialogues - unlike UK comics - were plentiful and really sold the atmosphere of the given story. Thank you, Stan Lee, for proving to me that horror was a genre that would stay with me for ever, and it was perfectly acceptable to be a fan of that. Also, that comic strips were (and are) a perfectly legitimate way of telling stories.