There's no basis for that assumption, especially since Wright was around for the whole process of building up the MCU. If that's where the conflict was, I'd think he would have walked a loooong time ago.
And you didn't really answer my question. I know that's what people want. If they didn't want it I would have asked. But why is that so important?
For the same reason people lost interest in this movie upon seeing Wright's departure. Because you can probably have an Avengers movie without Cap, or one without Thor or Iron Man. After all, TWS's gross proved you don't need Iron Man or Thor to have a good and sucessful movie. But I guess certain people want to see certain characters in the big screen.
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