When Captain America's arch-enemy, Red Skull, stole a suit of Iron Man's armor, he became the Iron Skull. The LEGO Marvel Superheroes: Iron Skull Sub Attack, from LEGO, is a 335-piece set, LEGO item number 76048, that builds the Iron Skull's submarine, an underwater jet vehicle, and the four LEGO minifigures of Scuba Iron Man, Scuba Captain America, Iron Skull, and a Hydra diver.
The Sub has an opening cockpit, and a removable cage with a translucent-red opening door. There's also a storage compartment for Iron Skull's repulsor gear accessories, and LEGO stud shooters. The underwater jet features a spot for the Hydra Diver minifig and two decorative harpoons.
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