Iron Man Used Shang-Chi's Ten Rings to Build His Deadliest Armor Ever

screenrant.com:

While Iron Man may have faced a false Mandarin in the MCU, in the comics Tony Stark is well-acquainted with the real supervillain and his superpowered Ten Rings (which likewise got a major makeover for the Shang-Chi movie adaptation.) Repurposed parts of an alien spacecraft, the Mandarin's rings each grant a different ability, including mind control, illusion creation, and time manipulation. Together, the rings make Mandarin a godlike being, and in one of his most ambitious plans ever, the villain attempted to force Iron Man to make them the centerpieces of his deadliest armor ever.

Recently, Marvel Comics introduced a new set of Ten Rings wielded by Shang-Chi which more closely match how the movies re-imagined them. However, the original Ten Rings have long belonged to the Mandarin, who salvaged them from a Makluan spaceship in his youth. The Mandarin later claimed that they weren't rings at all, but rather futuristic storage devices each used to hold the memories and abilities of an ancient alien warrior. These warriors wanted new bodies capable of leaving Earth, and there was no-one better to create them than the armored Avenger.

Related: Iron Man's Eternals-Style Armor Shows What He'd Look Like as an Immortal

Unfortunately — as depicted in Matt Fraction and Salvador Larroca's Iron Man arc 'The Future' — the Mandarin was able to hack technological advances Iron Man had made to his body in order to force him to create the Titanomechs. These incredibly dangerous suits were an idea Tony had developed but resolved never to actually create. Sadly, through a combination of trickery and control, the Mandarin put him to work. The Titanomechs were wildly powerful suits already, but once piloted by the alien consciousnesses