Hulkbuster Mark II is a powerful suit of armor created by Tony Stark (Iron Man) in the Marvel Cinematic Universe, specifically featured in Avengers: Infinity War. Designed to subdue the Hulk, this upgraded armor boasts immense strength and durability, making it a formidable weapon in battle. In the film, Bruce Banner pilots the Hulkbuster Mark II during the Battle of Wakanda, playing a critical role in fighting Thanos's army when he is unable to transform into the Hulk.