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The Mark XXVI Heavy Construction Suit Upgrade (or Gamma) was created after the battle of New York as an upgrade to Thumper. It gets its name Gamma for being able to resist Gamma radiation.

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able to withstand extreme heat and temperatures as well as very powerful and devastating electrical surges, as well as Gamma radiation, as it is built for. It is based off of the Mark 25 and can be used in dangerous situations. It is also colored Green and Black, possibly to remind Tony of his friend, Bruce Banner, who turns into a giant green monster.

Suit 26.jpg


Iron Man 3

The suit was created after the New York battle. Tony realized that there couldn't be one suit that could do anything, so he started building suits specializing in certain areas, like radiation. Gamma was placed into the Hall of Armor along with the rest of the Iron Legion. When the "House Party Protocol" was ordered, it and the rest of the Iron Legion flew to assist Tony in the Extremis battle. It was either destroyed by the "Clean Slate Protocol" or the Extremis soldiers.


  • The Mark XXVI suit resembles the Anti-Radiation armor in function from the comics.
Iron Man armors
Primary Armors Mark I | Mark II | Mark III | Mark IV | Mark V | Mark VI | Mark VII | Mark XLIII | Mark XLIV | Mark XLV |

Mark XLVI | Mark XLVII | Mark L | Mark LXXXV

Iron Legion Mark VIII | Mark IX | Mark X | Mark XI | Mark XII | Mark XIII | Mark XIV | Mark XV | Mark XVI | Mark XVII | Mark XVIII | Mark XIX | Mark XX | Mark XXI | Mark XXII | Mark XXIII | Mark XXIV | Mark XXV | Mark XXVI | Mark XXVII | Mark XXVIII | Mark XXIX | Mark XXX | Mark XXXI | Mark XXXII | Mark XXXIII | Mark XXXIV | Mark XXXV | Mark XXXVI | Mark XXXVII | Mark XXXVIII | Mark XXXIX | Mark XL | Mark XLI | Mark XLII
War Machine Armors Mark I | Mark II prototype | Mark II | Iron Patriot | Mark III | Mark IV | Mark V | Mark VI | Mark VII
Related Armors Iron Monger | Whiplash (Mark IMark II) | Hammer Drones | Rescue