The truth of Wanda Vision
We see that Wanda and Vision are living a happy life in black and white in the beginning. So how is it possible that we are seeing them in black and white? Did Marvel do something with it? No, Marvel is just showing us what Wander is showing us. And Wander was showing us the broadcast, which was the new Wonder Vision show. She had written it. She had plotted it and everything was done only by her