Friday marked the five-year anniversary of Avengers: Endgame, giving fans an opportunity to reminisce on the massive Marvel Cinematic Universe's blockbuster. Chris Pratt, who reprised his role as Peter Quill / Star-Lord in Endgame, is providing an unprecedented look at how the film came together. On Friday, Pratt took to social media to reshare his behind-the-scenes video from the set of Endgame, which reveals a glimpse of the film's ensemble cast rehearsing the final battle. Fans can spot many of the MCU's stars across the video, either clad in their finished costumes or in casual outfits.