Action came back in a big way in 2021 after delayed films like "F9" and "No Time to Die" were released in theaters, and the MCU dropped four movies in the second half of the year. These are the best action movies of 2021, according to the assigned critics of RogerEbert.com. The biggest action movies of the year weren't always the best action movies of the year, but there were standouts from beginning to end. Click through to read the reviews and find direct links to watch the best action movies of 2021.