The Hydra Fortress Smash

Notable parts

• 2 parts appear in only a few other sets: Hair Tousled with Side Part (White) — also in 40516 Everyone Is Awesome; Brick Wedged, Sloped 45° 6 x 4 Double / 33°, 5 Bottom Tubes [Train Roof] (Dark Bluish Gray) — also in 70735 Ronin R.E.X., 76300 Arkham Asylum.
• 3 moulds first came out in 2015, including in this set: Launcher, Plate Special 1 x 2 with Mini Blaster ×2; Body Giant, Hulk with Messy Hair and Dark Purple Pants with Dark Red Print; Launcher, Minifig Stand Flexible (Super Jumper).
• 4 existing moulds first came out in their colour in 2015, including in this set: Bigfig Arm, Left [Plain] (Olive Green); Bigfig Arm, Right [Plain] (Olive Green); Brick Wedged, Sloped 45° 6 x 4 Double / 33°, 5 Bottom Tubes [Train Roof] (Dark Bluish Gray); Hair Tousled with Side Part (White).
• 4 minifigure parts with their print are only in this set: Minifig Head Baron Von Strucker, Monocle, Raised Eyebrow, Wrinkles, Clenched… (Light Nougat); Minifig Head Quicksilver, Dual Sided, Beard Stubble, Eyebrows, Smirk / Clenched… (Light Nougat); Torso Muscles Outline with Black, Blue and White Suit with Light Blue Dots… (Dark Azure); Torso Suit with Black Hydra Logo and Dark Bluish Gray Belt with Silver Buckle… (Sand Blue).

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