After rescuing Strange with help from Spider-Man, who stowed away, and meeting the Guardians of the Galaxy, Stark used his Arc Reactor to battle Thanos. However, during the fight, Stark almost had his Arc Reactor and his armor ripped off of him.

The Arc Reactor is a power source designed by Howard Stark, Anton Vanko and Obadiah Stane[1] to replicate the Tesseract's energy. After the Tesseract's energy had been harnessed by HYDRA during World War II, Stark studied the Tesseract attempting to do the same.

Apr 30, 2008 · The Arc Reactor was a device initially designed by Howard Stark, and later adapted by his son, Tony. A massive arc reactor provided power for the sprawling complex of Stark Industries until its destruction, [1] and later the Stark Tower. [2]

Apr 16, 2023 · After being taken captive by the Ten Rings in Iron Man, Stark equips himself with a miniaturized arc reactor, with the help of Ho Yinsen, which prevents pieces of metal shrapnel from making their way into Stark's heart.

Jan 26, 2020 · Iron Man’s reactor is essentially a fusion reactor that harnesses energy by removing electrons from Hydrogen atoms. This removal of electrons creates an ion plasma, which is the ultimate...

Stark was successful in fleeing from the base camp using his armor powered by the arc reactor. After returning home Stark developed a more efficient reactor that he used to power the Mark II and Mark III suits as well.

But what is an Arc Reactor and how does it work? The Arc reactor existed well before Iron Man did, as it was created by Tony Stark’s father, Howard Stark, founder of Stark Industries. It is, essentially, a fusion reactor that uses a palladium core to produce enormous amounts of energy.

Jun 21, 2016 · In his final battle with Iron Man, Tony lures Stane to Stark Tower, where he tells Pepper Potts to overload the arc reactor, generating a pulse strong enough to knock out Stane’s armor. Although the original reactor was destroyed in this fight, it has since been rebuilt.

Mar 6, 2023 · Stark later charged Yinsen’s device with an Arc Reactor, which would allegedly create enough power to keep him alive for “fifty lifetimes.”

Jun 13, 2023 · Iron Man has an arc reactor in his chest to prevent shrapnel from reaching his heart and to power his suits. After Tony was severely wounded on the battlefield, the arc reactor was the only thing that kept him alive afterward, and it became an important part of Iron Man suits and Tony’s overall identity.