This armor was a modular component system rather than a fully integrated suit. As such, each individual system (helmet, boots etc.) may have had different features.
There were also plug-in points for various modules.
Repulsors and the uni-beam remained standard for the base unit. Boot jets were upgraded. A refractive coating helped against energy attacks.
Magnets located on the palms and soles as well as a grappling hook with cable were used for climbing. A loudspeaker was used to address crowds. Image inducers were upgraded to give off 'identifier signals,' fooling the Controller.
Various modules were available:
- Full Spectrum Scanalyzer with Adamantium-Tipped probe. 
- Magnetic Rail-gun Launcher with explosive shells. 
- Semi-Fluid Polymer Compound : energy-absorbent compound that shot out and covered its target
- EM Field Generator : attracted a lightning bolt to short out Ultimo.
- Gravi-metric Field Generator : canceled out the pull of the Earth's gravity on whatever it was attached to.
- Poly-bond Adhesive Compound 
- Cryogenic Compact Module 
- Magnetic Compact Module : used magnetic field to polarize the target. Multiple modules could be used to polarize the target with mutually opposing states making the atoms of the target repel one another.
- Hypodermic injector 
- Microsurgery Equipment 
- Shoulder Mounted Weapons 
Lastly, the Hulkbuster (Modular Addon) fit over the armor.
- No special notes.
- 64 Appearances of Modular Armor
- Media Modular Armor was Mentioned in
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- Item Gallery: Modular Armor
- Fan-Art Gallery: Modular Armor
Links and References