Ultron vs. Iron Man

What there is most of

• Plate Special 1 x 2, Top Clip [Open O] · Red×8
• Brick Curved 2 x 4 x 1 · Pearl Gold×4
• Brick Curved 3 x 1 No Studs · Dark Bluish Gray×4
• Brick Curved Inverted 2 x 2 with 1 x 2 Cutouts · Dark Bluish Gray×4
• Brick Round, Curved 2 x 2 x 1, Corner · Pearl Gold×4
• Large Figure Shoulder Cover, Armor, Round, Smooth with Bar · Red×4
• Plate 2 x 4 · Dark Bluish Gray×3
• Bracket 1 x 2 - 1 x 4 [Rounded Corners at Bottom, Square Corners at Top] · Red×2
• Brick Curved 1 x 2 x 2/3 Double Curved Top, No Studs · Dark Azure×2
• Brick Curved 2 x 2 x 2/3 Two Studs and Curved Slope End · Pearl Gold×2
• Brick Curved 4 x 1 Double with No Studs · Red×2
• Brick Special 1 x 2 Palisade [aka Log] · Tan×2
• Brick Wedged, Curved 4 x 3 No Studs [Plain] · Red×2
• Plate 1 x 2 · Trans-Dark Pink×2
• Plate 1 x 2 · Medium Azure×2
• Plate 1 x 4 · Light Bluish Gray×2
• Plate 2 x 2 · Pearl Gold×2
• Plate 2 x 2 · Dark Azure×2
• Plate Angled 2 x 2 with Step and Hole in Center · Pearl Gold×2
• Plate Round Corners 2 x 6 Double · Light Bluish Gray×2

The twenty most numerous parts, longest bar first. Start a checklist to see all 45 part types and tick them off as you find them.