My Hulkbuster moc and his pilot... the Iron Man moc! : r/lego
MK 44 Hulkbuster MOC by KMX Creations | Hulkbuster, Ultron movie, Lego moc
MOC 2081 Iron Hero Avengers MK44 Hulkbuster Bricks Toy
Lego Hulkbuster MOC (using my Iron Monger design) - YouTube
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4448PCS MOC Large Avenger Iron Hero Mecha Hulkbuster Figure Model Toy – mycrazybuy store
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Here's my Hulkbuster MOC, wanted to make it as accurate as possible while keeping the scale. Yes you can fit an Iron Man Minifigure inside very easily : r/lego