The Marvel Cinematic Universe has enjoyed massive box-office success since it launched with Iron Man in 2008. The MCU has grown to become one of the biggest media properties in entertainment and has gone on to inspire other properties to explore their own shared universes. Despite the ongoing popularity of the franchise, several MCU films have been poorly received by critics and fans alike.
Source：https://www.cbr.com/worst-mcu-movies-according-imdb/
