Attack on Avengers Tower

Notable parts

• 4 parts appear in only a few other sets: Flag 2 x 2 Trapezoid with Flat Area between Clips (Trans-Light Blue) ×4 — also in 70168 Drillex Diamond Job; Window 1 x 4 x 6 Frame with 3 Panes (Dark Bluish Gray) ×4 — also in 4644 Marina, 8211 Brick Street Getaway, 7945 Fire Station; Comic Book, Super Heroes, Marvel, Avengers Age of Ultron (6119054 / 6119055) ([No Color/Any Color]) — also in 76032 The Avengers Quinjet City Chase, 76031 The Hulk Buster Smash, 76030 Avengers Hydra Showdown (all Super Heroes Marvel); Helmet Space with Open Face Rounded, Top Hinge (Dark Blue) — also in 30168 Gun Mounting System, 76315 Iron Man's Laboratory: Hall of Armor, 76322 Avengers: Endgame Thor vs. Chitauri, L0002279 Iron Patriot (all Super Heroes Marvel).
• 5 moulds first came out in 2015, including in this set: Launcher, Plate Special 1 x 2 with Mini Blaster ×4; Plate Special 1 x 2 with Handles on Ends ×4; Comic Book, Super Heroes, Marvel, Avengers Age of Ultron (6119054 / 6119055); Launcher, Minifig Stand Flexible (Super Jumper); Technic Pin Connector Round 1L [Beam].
• 3 existing moulds first came out in their colour in 2015, including in this set: Brick Sloped 45° 2 x 2 (Trans-Light Blue) ×6; Flag 2 x 2 Trapezoid with Flat Area between Clips (Trans-Light Blue) ×4; Cylinder Half 3 x 6 x 6 with 1 x 2 Cutout (Light Bluish Gray).
• 6 minifigure parts with their print are only in this set: Headwear Accessory Visor Top Hinge with Gold Face Shield and White Eyes… (Dark Blue); Hips and Pearl Titanium Legs with Dark Red, Dark Blue and Silver Armor Print… (Pearl Titanium); Hips and White Legs with Dark Blue Knee Plates and Red Avengers Logo Print… (White); Minifig Head Ultron (MK1), Gold, Gray and Trans Light Blue Face Print (Trans-Clear); Torso Armor, Dark Blue Panels with Red Avengers Logo Print (Iron Legion), White… (White); and 1 more.

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