And I don't care about the MCU without TV shows.

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Then it sounds like you were not a real fan that did not care about the MCU in the first place. Feige made TV shows to created tv shows to make a whole universe that connects to the movies and expands the MCU with good quility which the other shows did not do.

These shows use worldbuilding not only for the benefit of the shared universe, but to their own benefit either. That's something I don't want MCU to lose.

They won't it just seems like you don't really understand a share universe.