So Richard Donner was the original director and had a different opening, ending, and didn't have the jokes?
Interesting.
“Activism is a way for useless people to feel important, even if the consequences of their activism are counterproductive for those they claim to be helping and damaging to the fabric of society as a whole.” - Dr Thomas Sowell
That makes a bit of sense now that you think about it.
Although, I thought Superman II was the darkest of the 4 Supermans, so I don't exactly get what jokes or funny parts were put in it that they are referencing...