Anthony Mackie has been a stalwart of the Marvel Cinematic Universe ever since debuting as Sam Wilson/Falcon in 2014’s “Captain America: The Winter Soldier” The actor’s MCU tenure has included “Avengers” movies and the Disney+ series “The Falcon and the Winter Soldier,” and now Mackie is taking on Captain America in the upcoming film tentpole. Mackie said there was a lot more storytelling freedom to be had outside the MCU.