Considering the movie was made in 1982, there are a boatload of 25 year old movie goers that were born the same year. Their expectations are high out of the gate, and they certainly don't have the time or the inclination to go back and get grounded with the first one.
Example: My wife is a fan of all that reality nonsense on Bravo. There is one show she watches where they have a 20 year old daughter. The family goes to Italy on vacation and rents a gorgeous villa with vaulted hand painted ceilings, absolutely breathtaking. The father is describing the art work, saying you don't see this kind of magnificent detail anymore.
She says, Who painted it?
He stutters a second then says, just for effect, Michaelangelo!
She says, C'mon Dad! You can't fool me - he's one of the Ninja Turtles....you took me to see that movie!
I have nothing to add.