Revise. It is not too late.
This page provides general advice for improving your work.
It took me a long time to get from singing about killing sprees to finding more reasonable ways to deal with monstrosities in parodies like Sailing on the Loose.
But I always acted in accordance with how quickly I got ideas, never taking longer to change than necessary. Not once I truly had a grasp on things, anyway.
You can adjust your own work at any rate you wish. At any time, you can decide what is canon and what is not. I made a fine example of this when deciding what to do with Styx II. It became clear to me that I could stick to official Pirates of the Caribbean canon as long as I was choosing the right songs, and that I would have a much larger potential audience if I did. So, from now on, there would be no more fan fiction or stuff from the Lego game.
There were a number of advantages to making the change this quickly. I would be completely into what I wanted to be doing now, not having one foot remain in the things I was moving away from. I would have a better chance of finding more audience members in the future, and would not have to edit as many parodies to make them publishable later on.
There had been mildly troubled moments, however, as I went forward, as you can see from my advice against trying to predict entertainment. It seems my readers were looking for an evolution, not a revolution. That would explain why they did not think my expansion of the cast of the strip might be a clue to who a parody written five days later would be about. And why one would expect the parodies to cover something happening, then what was going once once that was no longer happening, and then ignore it.
But, as noted above, I always had my reasoning, even when something happened in one parody album and was treated as if it had never happened the very next. After all, why would I have slowly phased out the things that made my early parodies unpublishable when I could discontinue them all at once?
Truly, Revolution, not evolution
is a good motto. All creators should remember that they can fix things in one fell swoop, and all audiences should remember that the sources of their entertainment can do it.