The MCU may well have a reputation for its prior planning and over-arcing manner of storytelling, but many of the franchise's best moments were actually improvised. The Marvel Cinematic Universe was created as a means of adapting the beloved stories and heroes of Marvel Comics to the big screen, and it has found colossal success in its winning shared universe formula. It's a franchise known for its long story arcs, clever foreshadowing, and well-considered narratives, seemingly always preparing for the future by teasing new characters and stories.
