Flight: Like all other armors, the Mark XLIV has flight capabilities, although given its size, its speed and mobility are reduced. In Lego Marvel Avengers. A Stanbuster (for Stan Lee), and the Squirrel Girl's hulkbuster is the two extra Hulkbuster armors.

The RICS allows pilot to control the armor without being inside standard Iron Man Armor. This suggests the armor is separate armor unit and is not modular extension. Repulsors: Standard Iron Man Armor weaponry; act as flight stabilizers, fire out of the palms of suit with concussive or lethal force. This variation of repulsors are red in color.The armor was featured in Avengers 2: Age of Ultron, wherein it was used through Veronica's activation to subdue a rampaging Hulk in South Africa. [2] The Mark XLIV Heads-Up Display Like all of his armors, the suit contains a heads up display within the helmet to allow Stark to analyze the environment. Missiles: The armor also possesses four large Missiles. These missiles were used to destroy an unfinished building Tony was pushing the Hulk through. It is unknown where these missiles are located. F.R.I.D.A.Y. , also known as Female Replacement Intelligent Digital Assistant Youth. is an artificial intelligence program likely capable of integrating into the armors systems to aid the pilot of the Mark XLVIII, as done with such other Iron Man Armor Models. F.R.I.D.A.Y. is capable of controlling the armor's weaponry and computer systems as well as summoning other armors to Tony Stark's command. The armor is also capable without the use of F.R.I.D.A.Y. as its own computer systems and user integration work as well.

Iron Man with a new left arm Should the Hulkbuster armor sustain heavy damage, Veronica hovering above the armor will respond to the authorized user's command by sending spare parts to replace the ones that were damaged. For instance, when Hulk drove a pole into the Hulkbuster's left arm and severely damaged it, upon the command of Stark, Veronica releases several armor parts that would form an alternate left arm for the armor to battle Hulk. Arm Restraint: The XLIV suit's forearm is able to expand over its fist like a sleeve, which was used to trap Hulk's arm after he grabbed the suit's fist.After Veronica is activated, a modular pod is ejected from Stark's satellite and is sent down into South Africa. When the pod reached the Earth's atmosphere, various modular armor pieces and base Hulkbuster suit detached itself from the pod and flew towards Tony for the armor's attachment . The Mark XLIVs base began attaching onto the Mark XLIII in mid-air encasing it slowly, reinforcing it for the upcoming battle. The Mark XLIV is a playable armor in the game. The armor's first appearance is when the player deploys the hulkbuster, where as of Tony battles off against the Mind-controlled Hulk. The cutscene shows that they have won, finishing the Mandarin. But still, shortly, the Hulkbuster explodes. Too sad..