imo It would have been funnier if we got even less context, like at 4:11 if you took out the entire explanation on the headset and just left it at "you do math like a bitch"
Yes,it was from a previous gag he did where he messed up a tv with some sharpie,he reused to tv for this so he wouldn't have to buy a new one.Pretty cool fun fact.
I will too,I grew up with the movies (2 is the best and Romero is the best character) and it would be AWESOME.They already stole stuff from the 3rd movie to make Quantumania.