What's New On Disney+ For March 2021 The WandaVision series finale and more. Jaime Weinman, Maclean's Updated March 2, 2021 Marvel WandaVision (series finale, Friday, March 5) Marvel’s first Disney+ production, which started out as a series of sitcom pastiches about two characters who had very little screen time in most Marvel movies, eventually became so popular that it crashed the streaming service two weeks in a row. No wonder Disney has been willing to accede to Kevin Feige’s request that Black Widow be saved for the reopening of movie theatres rather than being released to streaming: the company’s future depends on keeping him happy.