Iron Man Hulkbuster vs. Thanos

Notable parts

• 2 parts come in a colour no other set has for that mould: Hand Hulk - Left (Dark Red); Hand Hulk - Right (Dark Red).
• 2 printed parts are only in this set: Tile Round 2 x 2 with Arc Reactor print (Light Bluish Gray); Windscreen 4 x 4 x 1 2/3 Canopy Half Sphere with Handle and Hulk Buster Face… (Dark Red).
• 4 parts appear in only a few other sets: Mech Leg, Left, with Black Pin (Dark Red) — also in 71815 Kai's Source Dragon Battle; Mech Leg, Right, with Black Pin (Dark Red) — also in 71815 Kai's Source Dragon Battle; Cockpit 4 x 2 x 3 with Pin Hole, and 2 Clips (Light Bluish Gray) — also in 71804 Arin's Battle Mech, 71805 Jay's Mech Battle Pack; Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor) (Dark Red) — also in 76307 Iron Man Mech vs. Ultron, 76323 Avengers: Endgame Final Battle, 71846 The Fire Knight Mech, 71851 Kai's Dragon Mech Battle Pack.
• 1 mould first came out in 2023, including in this set: Cockpit 4 x 2 x 3 with Pin Hole, and 2 Clips.
• 4 existing moulds first came out in their colour in 2023, including in this set: Brick Special 2 x 5 with Slope, Studs on Side (Dark Red) ×2; Mech Leg, Left, with Black Pin (Dark Red); Mech Leg, Right, with Black Pin (Dark Red); Plate Special, 2 x 2 Studs and Handle, Closed Ends (Mech Chest Plate / Armor) (Dark Red).

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.