Every television series eventually must come to an end (unless you're the Simpsons). This has been the case for numerous superhero shows, which constantly come and go.
While this is common place in the television industry, there have been some cancellations that have been met with scrutiny. This is mainly due to the fact that an awful lot of superhero cartoons get cancelled before their time. Other times it is simply because their replacement is subpar compared to the one that preceded it.
There are a variety of reasons that reboots and replacements do not meet the level of what came before. This could be due to different tones, writing differences or major changes to the mythos that leave fans with a sour taste in their mouths.
Many superheroes have received a number of reboots and new adaptations in cartoon form over the years. There are a number of different choices that could have been selected for this article, however these seven stand out as strokes of genius in the cartoon realm that were replaced with something much, much worse.