I suspect that he would and he wouldn't. The specifics of commodities used for popular light entertainment suddenly becoming an ultra-hot item as an ingredient in the means of production would probably come as a surprise: as though readers of penny-dreadfuls were suddenly rioting because mill owners switched to building factory equipment out of paper pulp.
The broad-strokes realization by formerly skilled laborers and petit bourgeoise that they are actually moving downward toward 'proletariat' status, rather than being the respectable junior partners of capital, though, seems very much in line with his expectations; and (depending on where you stand on what 'AI' is doing to programming and various sorts of white-ish collar data munging) may very much be what plays out.
The development that Marx didn't seem to have suspected(though, in the slightly-a-cop-out 'sufficiently long term', wouldn't necessarily view as relevant); is arguably the post-WWII period of backsliding on industrial revolution era labor relations. It certainly wasn't all roses; but out of some combination of genuine conviction and (ironically) competitive market pressure from more or less authentic capital-'C'-"Communists" there was a period where people where being GI Bill-ed into education in huge numbers, Western Europe was urgently Marshall Planned out of the ashes, state tolerated or even encouraged labor unions made industrial jobs at least steady lower middle class livings, and it was generally seen as a bad strategy, potentially even a bad thing, to say "fuck you, I've got mine" too loudly.
Wasn't really until the early '70s that the old ways reasserted themselves, wage/productivity numbers started to decouple, executive vs. worker compensation ratios started flying up, the various planned economies that had once had people running scared either collapsed into basket cases or turned into authoritarian market-capitalist operations; and so on.