Attack on Avengers Tower

4 parts appear in only a few other sets

• Flag 2 x 2 Trapezoid with Flat Area between ClipsTrans-Light Blue · ×4also in 70168 Drillex Diamond Job
• Window 1 x 4 x 6 Frame with 3 PanesDark Bluish Gray · ×4also 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 HingeDark Bluealso 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 2Trans-Light Blue · ×6
• Flag 2 x 2 Trapezoid with Flat Area between ClipsTrans-Light Blue · ×4
• Cylinder Half 3 x 6 x 6 with 1 x 2 CutoutLight 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 PrintTrans-Clear
• Torso Armor, Dark Blue Panels with Red Avengers Logo Print (Iron Legion), White…White
• and 1 more