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spidey and his amazing friends costume

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Brand-locked demand (top 5 brands take 95% of clicks) — this niche doesn't clear our bar today.

Market size 23Growth 24Conversion 15Competition 88Returns 26Price range 93Avg price 95Brand share 13Review moat 68Quality gap 23

Avg price

Incredible$28.82

avg listing price — sweet spot $15–$100

Price range

Great$13.73–$54.77

cheapest to priciest tracked listing — scored on the share inside $15–$100

Competition

Great27%

top-5 click share — an open shelf

Review moat

Good778.99

avg incumbent reviews — the moat a new listing must climb

Returns

Okay5.8%

return rate — above 6% kills the launch gate

Growth

Bad-2.9%

90-day search growth — must beat 0% to launch

Market size

Bad$92K

$92K/yr · 271K searches

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Conversion

Bad1.2%

search→purchase rate — share of searches ending in a sale

Brand share

Bad95%

top-5 brand share — brand-locked demand

Competition

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

12 flat

Sellers

51

Top-5 brand share

95%

Open market

4%

  • Marvel52%
  • Jazwares Costume Play16%
  • Jazwares12%
  • Rubies11%
  • Spirit Halloween4%
  • Disney1%
  • Open — no brand owns it (6 brands, 4%)

Product shelf

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%$3K6%$6K9%$8K12%$11K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 77 tracked products in this niche — three views at once, no toggling.

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -2.9% search growth over the last 90 days.
600K400KSpike '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Oct · busiest ÷ quietest = 147.5×

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall23%

“the mask is very high quality”

Size-Overall21%

“Size is true”

Value For Money7%

“Worth it”

Fun/Entertainment Experience5%

“Fun”

Durability5%

“Durable and cute”

Comfort-Overall5%

“Comfortable”

Gifting Purpose3%

“My grandson loves his gift”

Soft Feel3%

“Looks so nice, so soft and breathable”

Ease Of Use3%

“Easy access to hands”

Material Quality3%

“The material feels comfortable”

What buyers complain about

Size-Overall30%

“Doesnt fit right”

Quality-Overall11%

“The shirt is poor quality”

Durability7%

“Literally broke within 5 minutes”

Material Quality7%

“The material is super thin”

Value For Money5%

“Extremely disappointed that I was charged $44.00 for this item”

Strength4%

“the finger lights are pretty flimsy”

Product Condition3%

“was clearly used”

Ease Of Cleaning2%

“Used and dirty”

Advertised Vs Actual Product2%

“The mask to this costume arrived looking much different than the photo”

Thickness2%

“Thin”

Top return reasons

Size-Overall75%
Material Quality4%
Advertised Vs Actual Product3%
Length3%
Quality-Overall2%
Product Condition2%
Value For Money2%
Defective Material/Parts1%
Stitch/Finish/Polish1%
Waist Fit1%