Iron Man Mark 37 - Hammerhead
sh231 · Marvel Super Heroes
Avengers: Iron Man Armor Hall · 2016 - Released in the Iron Skull Sub Attack (76048) during the Avengers Assemble wave
Figure ID
sh231
Theme
Marvel Super Heroes
Year Released
2016 - Released in the Iron Skull Sub Attack (76048) during the Avengers Assemble wave
Rarity
Uncommon to Rare. It was exclusive to a single mid-range set that was retired in 2017.
Head
Standard Iron Man flip-up visor helmet in gold/beige; under the mask is a dual-sided Tony Stark head with smirk and concentrated HUD expressions.
Torso
Orange torso with dark gray and silver plating details, featuring the Mark 37 chest arc reactor and 'Hammerhead' deep-sea armor paneling.
Legs
Orange legs with intricate silver and dark gray knee plating and toe detail printing matching the specialized deep-sea diving suit.
Accessories
Usually paired with light blue transparent power blasts or 'flipper' elements (though none are shown in the image), and a transparent neck bracket.
Color Scheme
Unique Orange primary color with Gold/Beige mask and Silver/Dark Gray mechanical accents.
Printing Details
High-quality pad printing on the torso (front and back) and legs (front only). Features high contrast between the orange plastic and silver metallic inks.
Variants
This is the only version of the MK 37 'Hammerhead' armor released by LEGO to date.
Condition Notes
Visor hinge points are prone to stress marks; orange plastic can show scratches easily. Check for silver paint rubbing on the chest and knees.
Estimated Value
Used: $15 - $25 USD | New: $30+ USD. Price is driven by Iron Man armor completionists.
Price (New)
$29.99 (Retail price of set 76048, which included 4 minifigures).
Compatible Sets
76048 Iron Skull Sub Attack
Character Background
The Mark 37 'Hammerhead' is a deep-sea suit designed to withstand extreme pressure and cold, first appearing in the Iron Man 3 'House Party Protocol'.
Design Notes
One of the few Iron Man suits to deviate from the red/gold palette. Uses the 'Type 2' helmet mold with the rounded chin profile.
Similar Minifigures
Iron Man MK 39 Gemini (sh229), Iron Man MK 33 Silver Centurion (sh232), Iron Man MK 7 (sh027).
Collectibility
High. Because it is a unique armor designation from the 'House Party Protocol' list, it is essential for Iron Man Hall of Armor collectors.
History
Part of the 2016 expansion where LEGO began producing more obscure comic and movie suits to satisfy adult collectors.
Interesting Facts
The orange color is based on real-world deep-sea submersibles. This figure represents one of the few Iron Man suits meant for non-aerial combat.
Display Suggestions
Best displayed in a Hall of Armor MOC or on a transparent flight stand to mimic swimming/underwater movement.
Modification Potential
The orange parts are excellent for custom 'Deep Sea' versions of other heroes or for creating hazard-suit MOCs.
Overall Assessment
A standout figure due to its rare color palette and specific suit lore. It is a 'buy' for Marvel collectors while prices remain under $30.