Marvel has released a new trailer for Captain Marvel. Brie Larson stars in the titular role as the MCU's most powerful superhero. This is the best trailer so far because it finally shows some personality. The previous trailers were bland and Larson seemed uninterested in starring in a Marvel movie. But the banter between her and Nick Fury (Samuel L. Jackson) seems genuine and an acknowledgement that they're in a fun and goofy movie. Captain Marvel opens March 8.