I find all of Tony Stark's Iron Man armor designs to be intriguing, so I'm going to go post a picture of nearly all of Tony's designs to date.
Iron Man Armor MK I (Grey)
Iron Man Armor MK II (Golden Avenger)
Iron Man Armor MK III (Original Red & Gold)
Iron Man Armor MK V (classic red and gold)
Space Armor MK I
Iron Man Armor Model 07 (Stealth Armor MK I)
Iron Man Armor MK VI (Recovery armor)
Silver Centurion
Hydro Armor
Low Observable Armor (Stealth Armor, Mark II)
Iron Man Armor MK VIII (New Red & Gold)
Space Armor, Mark II
Telepresence Armor
War Machine Armor (Variable Threat Response Battle Suit, Mark I)
NTU-150 Telepresence Armor
Modular Armor
Hulkbuster Armor (Modular Add-on)
Arctic Armor
Crossing Armor
Retro Armor
Teen Tony Armor
Prometheum Armor ("Heroes Reborn")
Renaissance Armor ("Heroes Return")
Experimental Safe Armor
