The title refers to Iron Man's guest appearance in the episode. Unrelated to the episode, there is a Marvel Super Hero named Iron Fist.
The criminals driving the car at the beginning of this episode are very similar in appearance to the criminals at the beginning of the "Fantastic Four: The Animated Series (1994)" episode Nightmare in Green (1995), which also featured a guest appearance by the Hulk.
When Rick Jones meets Iron Man he calls him Iron Maiden. In comics, Iron Maiden is the name of an armored Russian villain that tried to kill an Marvel hero named Black Widow. It was also established on Iron Man (1994) that Iron Maiden is the name of Tony Stark's yacht in Rejoice! I Am Ultimo Thy Deliverer (1994).
John Vernon, the voice of General Thaddeus Ross, was the first actor to voice Iron Man, playing him on The Marvel Super Heroes show.
This episode is a follow up to Dr. Bruce Banner/The Hulk's guest appearance on the Iron Man (1994) episode Hulk Buster (1996). Iron Man even reuses the Hulkbuster armor that was featured in that episode.