Steve with Bat and TNT

What there is most of

• Plate 1 x 1 · Light Bluish Gray×4
• Plate Round 1 x 1 with Solid Stud · Medium Azure×4
• Brick 1 x 2 with Black 'TNT' Pixelated Print · White×2
• Minifig Neckwear Bracket [One Stud] - Reinforced · Reddish Brown×2
• Plate Round 1 x 1 with Solid Stud · Black×2
• Plate Special 2 x 2 with Groove and Center Stud (Jumper) · Dark Bluish Gray×2
• Brick 1 x 4 · Light Bluish Gray×1
• Brick 2 x 4 · Light Bluish Gray×1
• Brick Special 1 x 1 with Studs on 2 Sides · Black×1
• Panel 2 x 2 x 1 Corner · Light Bluish Gray×1
• Plate 1 x 1 with White and Black Squares/Eyes · Reddish Brown×1
• Plate 2 x 2 · Light Bluish Gray×1
• Plate 2 x 2 · Red×1
• Plate 2 x 4 · Dark Bluish Gray×1
• Plate 4 x 4 · Dark Bluish Gray×1
• Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) · Black×1
• Plate Special 2 x 2 with 1 Pin Hole [Complete Underside Rib] · Dark Bluish Gray×1
• Plate Special 2 x 2 with Groove and Center Stud (Jumper) · Red×1
• Plate Special 2 x 2 with Groove and Center Stud (Jumper) · Light Bluish Gray×1
• Technic Brick 1 x 4 [3 Pin Holes] · Light Bluish Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 24 part types and tick them off as you find them.