Avengers: Infinity War is a 2018 American superhero film based on the Marvel Comics superhero team the Avengers. Produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures, it is the sequel to The Avengers (2012) and Avengers: Age of Ultron (2015), and the 19th film in the Marvel Cinematic Universe (MCU). Directed by Anthony and Joe Russo and written by Christopher Markus and Stephen McFeely, the film features an ensemble cast including Robert Downey Jr., Chris Hemsworth, Mark Ruffalo, Chris Evans, Scarlett Johansson, Benedict Cumberbatch, Don Cheadle, Tom Holland, Chadwick Boseman, Paul Bettany, Elizabeth Olsen, Anthony Mackie, Sebastian Stan, Danai Gurira, Letitia Wright, Dave Bautista, Zoe Saldaña, Josh Brolin, and Chris Pratt. In the film, the Avengers and the Guardians of the Galaxy attempt to stop Thanos from collecting the six powerful Infinity Stones as part of his quest to kill half of all life in the universe.

Mark Alan Ruffalo is an American actor. He began acting in the early 1990s and first gained recognition for his work in Kenneth Lonergan's play This Is Our Youth (1996) and drama film You Can Count on Me (2000). He went on to star in the romantic comedies 13 Going on 30 (2004), Just like Heaven (2005) and the thrillers In the Cut (2003), Zodiac (2007), and Shutter Island (2010). He received a Tony Award nomination for his supporting role in the Broadway revival of Awake and Sing! in 2006. Ruffalo gained international recognition for playing Bruce Banner / Hulk since 2012 in the superhero franchise of the Marvel Cinematic Universe.