WARNING: The following contains numerous monsters and implied male nudity. Also may contain implied gore and implied flamethrower and implied interdimensional travel and the evil prison guard from The Shawshank Redemption and award-winning actor Paul Giamatti.
For whatever reason, comic book writers ran out of weaknesses that make any kind of sense at all right around the time that Green Lantern became weak against yellow.
The casual jump from A to B is often used as a writer's crutch to gloss over the stuff they didn't have the time to think through -- little things like 'continuity,' 'logic' and 'whether or not our protagonist just did some accidental murder.'
According to a lot of science fiction movies, comics and TV shows, 1997 was the single most eventful year in the history mankind. Why did they all pick 1997? Who knows? They certainly didn't anticipate the Spice Girls.
Sometimes it makes sense to spin-off a live-action property into a cartoon. But sometimes a TV show or character is dumped into the laps of some cartoon writers who are told, 'Just make up whatever pops into your head. Kids are stupid.'
