---
title: "Superhero Costumes for Boys — £79K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/fashion/superhero-costumes-for-boys"
last_updated: "2026-07-31T16:27:07.063Z"
locale: en
meta:
  description: "Niche score 37/100 · £79K/yr market · 342K searches/yr · £11.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 37/100 · £79K/yr market · 342K searches/yr · £11.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Superhero Costumes for Boys — £79K/yr Amazon UK Niche (2026) - Flapen"
---

# **superhero costumes for boys**

**Skip it**

Soft demand (-38.2% this quarter) — this niche doesn't clear our bar today.

Market size 20Growth 6Conversion 25Competition 45Returns 73Price range 35Avg price 46Brand share 48Review moat 60Quality gap 45

**Returns**

**Good****2.1%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****1,094.79**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****76%**

top-5 brand share — brands hold most of the demand

**Avg price**

**Okay****£11.53**

avg listing price — sweet spot $15–$100

**Competition**

**Okay****58%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****£4.23–£20.72**

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

**Conversion**

**Okay****2.0%**

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

**Market size**

**Bad****£79K**

£79K/yr · 342K searches

**Growth**

**Bad****-38.2%**

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

**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=uk&signal=low_review_barrier "Top brand's reviews < 500")

According to Flapen's Amazon United Kingdom niche tracking, superhero costumes for boys is a £79K/yr Amazon United Kingdom market (342K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Mar–Oct–Nov. Verdict: Skip it — 37/100.

Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **superhero costumes for boys market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**5K–6K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**£58K–£69K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**2.0%**</dd>

<dt>**Avg BSR**</dt><dd>**#147**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**96%**</dd>

<dt>**Sponsored**</dt><dd>**63%**</dd>

<dt>**Out of stock**</dt><dd>**8.2%**</dd>

<dt>**Avg brand age**</dt><dd>**40 months**</dd>

<dt>**Avg seller age**</dt><dd>**185 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**10 **▼falling

**Sellers**

**45**

**Top-5 brand share**

**76%**

Top 20: 100%

**Top-5 click share**

**58%**

Top 20: 95%

**Open market**

**15%**

- Splat Planet24% - Textiles 4 Home14% - Rubies14% - amscan12% - AUYAO12% - Marvel8% - Open — no brand owns it (4 brands, 15%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -38.2% search growth over the last 90 days.

20K15KSpike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar, Oct, Nov · busiest ÷ quietest = 3.0×

[**Open Trend **](https://flapen.com/research/uk/fashion/superhero-costumes-for-boys/trend)

## **Top superhero costumes for boys search terms**

- **superhero costume kids**104K/yr-41.3%1.1% conv. - **super hero costume kids**48K/yr-36.6%1.2% conv. - **superhero costume**28K/yr-15.0%0.4% conv. - **kids superhero costume**23K/yr-19.8%0.7% conv. - **girls superhero costume**17K/yr-8.4%0.8% conv. - **superhero cape**12K/yr-18.1%2.0% conv. - **marvel costume kids**19K/yr-69.6%0.2% conv. - **boys superhero costume**12K/yr-49.4%0.5% conv. - **superhero capes for kids**9K/yr-18.4%3.2% conv. - **super girl costume kids**8K/yr-46.6%1.1% conv. [**All search terms **](https://flapen.com/research/uk/fashion/superhero-costumes-for-boys/search-terms)

## **Top superhero costumes for boys products on Amazon**

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

0%10%£8K20%£16K30%£24K40%£32K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Splat Planet Superhero Magic Colouring T-Shirt with 10 Non-Toxic Washable Magic Pens Colour Your T-Shirt Colour & Wash & Recolour (9-11 Years)](https://m.media-amazon.com/images/I/51fQgfCQwsL.jpg)**Splat Planet Superhero Magic Colouring T-Shirt with 10 Non-Toxic Washable Magic Pens Colour Your T-Shirt Colour & Wash & Recolour (9-11 Years)**Splat Planet**£10.00**4.6★262 rev](https://www.amazon.co.uk/dp/B07K6VCGZP) [2![Textiles 4 Home Boys Avengers Long Pyjamas Novelty Nightwear Hulk (2 to 8 Years) (as8 age 7_years 8_years regular) Green](https://m.media-amazon.com/images/I/31dICICjflL.jpg)**Textiles 4 Home Boys Avengers Long Pyjamas Novelty Nightwear Hulk (2 to 8 Years) (as8 age 7_years 8_years regular) Green**Textiles 4 Home**£7.96**4.6★190 rev](https://www.amazon.co.uk/dp/B0BX5QRDB2) [3![AUYAO 3Pcs Kids Superhero Cape Set Fuchsia with Mask Tutu Skirt](https://m.media-amazon.com/images/I/51FtEGKUYWL.jpg)**AUYAO 3Pcs Kids Superhero Cape Set Fuchsia with Mask Tutu Skirt**AUYAO**£7.78**4.5★83 rev](https://www.amazon.co.uk/dp/B0FDKPRD4F) [4![LATERN 6Pcs Superhero Cape and Mask Cartoon Superhero Costumes Dress up Toys for Kids Boys Girls Birthday Party Favors](https://m.media-amazon.com/images/I/51GFMLr+oaL.jpg)**LATERN 6Pcs Superhero Cape and Mask Cartoon Superhero Costumes Dress up Toys for Kids Boys Girls Birthday Party Favors**LATERN**£13.98**4.5★434 rev](https://www.amazon.co.uk/dp/B098B46R7T) [5![amscan 9906076 - Kids Official Warner Bros. DC Comics Supergirl Classic Fancy Dress Costume Age: 8-10 Yrs Blue](https://m.media-amazon.com/images/I/41aMGCqzIkL.jpg)**amscan 9906076 - Kids Official Warner Bros. DC Comics Supergirl Classic Fancy Dress Costume Age: 8-10 Yrs Blue**amscan**£10.60**4.3★2,854 rev](https://www.amazon.co.uk/dp/B081K71BGW)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![AUYAO 3Pcs Kids Superhero Cape Set Fuchsia with Mask Tutu Skirt](https://m.media-amazon.com/images/I/51FtEGKUYWL.jpg)**AUYAO 3Pcs Kids Superhero Cape Set Fuchsia with Mask Tutu Skirt**AUYAO**£7.78**83 rev1y ago](https://www.amazon.co.uk/dp/B0FDKPRD4F) [![AUYAO Kids Cape Double-Sided Dual-Color Cape Party Costume Cloak Mask Set Outfits with 1 Pc Felt Mask Masquerade Cosplay Reversible Cloak Dressing up Halloween Christmas for Boy Girl(Blue+Red)](https://m.media-amazon.com/images/I/41CwK-+4MiL.jpg)**AUYAO Kids Cape Double-Sided Dual-Color Cape Party Costume Cloak Mask Set Outfits with 1 Pc Felt Mask Masquerade Cosplay Reversible Cloak Dressing up Halloween Christmas for Boy Girl(Blue+Red)**AUYAO**£4.23**106 rev1y ago](https://www.amazon.co.uk/dp/B0FDGJN197) [![SYEYCW 2 Pcs Double-Sided Dual-Color Reversible Capes with 2 Pcs Felt Masks Superhero Theme Masquerade Cosplay Double-Sided Cloaks Dressing up Party for Halloween Party Fancy Dress up Accessory](https://m.media-amazon.com/images/I/41iZ36UZVBL.jpg)**SYEYCW 2 Pcs Double-Sided Dual-Color Reversible Capes with 2 Pcs Felt Masks Superhero Theme Masquerade Cosplay Double-Sided Cloaks Dressing up Party for Halloween Party Fancy Dress up Accessory**SYEYCW**£6.76**193 rev2y ago](https://www.amazon.co.uk/dp/B0CTTQF37Y) [![Webeasy Spider Costume for Girl Girls Halloween Fancy Dress with Mask for Halloween Carnival Masquerade Party 5-6 Years](https://m.media-amazon.com/images/I/31L11eRPPdL.jpg)**Webeasy Spider Costume for Girl Girls Halloween Fancy Dress with Mask for Halloween Carnival Masquerade Party 5-6 Years**Webeasy**£14.80**42 rev2y ago](https://www.amazon.co.uk/dp/B0CQTCWYDZ) [![Kids Superhero Capes & Masks - 8 Hero Fancy Dress Costumes - 4 Double Sided Capes 8 Masks - Birthday Party Dress Up - Girls & Boys](https://m.media-amazon.com/images/I/51v4hPHQMKL.jpg)**Kids Superhero Capes & Masks - 8 Hero Fancy Dress Costumes - 4 Double Sided Capes 8 Masks - Birthday Party Dress Up - Girls & Boys**Playcrate**£14.52**64 rev3y ago](https://www.amazon.co.uk/dp/B0C7CNMKSC)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Splat Planet Superhero Magic Colouring T-Shirt with 10 Non-Toxic Washable Magic Pens Colour Your T-Shirt Colour & Wash & Recolour (9-11 Years)](https://m.media-amazon.com/images/I/51fQgfCQwsL.jpg)**Splat Planet Superhero Magic Colouring T-Shirt with 10 Non-Toxic Washable Magic Pens Colour Your T-Shirt Colour & Wash & Recolour (9-11 Years)**Splat Planet**£10.00**4.6★**▲ 122%**](https://www.amazon.co.uk/dp/B07K6VCGZP) [![Marvel Boys Avengers Swimsuit Captain America Costume Rash Guard Multicoloured 18-24 Months](https://m.media-amazon.com/images/I/41dGKJgCESL.jpg)**Marvel Boys Avengers Swimsuit Captain America Costume Rash Guard Multicoloured 18-24 Months**Marvel**£14.04**4.7★**▲ 117%**](https://www.amazon.co.uk/dp/B06W56ZXBJ) [![Marvel Boys Avengers Swimsuit Captain America Costume Rash Guard Multicoloured 2-3 Years](https://m.media-amazon.com/images/I/41dGKJgCESL.jpg)**Marvel Boys Avengers Swimsuit Captain America Costume Rash Guard Multicoloured 2-3 Years**Marvel**£13.15**4.7★**▲ 109%**](https://www.amazon.co.uk/dp/B06VWMDKPZ) [![Textiles 4 Home Boys Avengers Long Pyjamas Novelty Nightwear Hulk (2 to 8 Years) (as8 age 7_years 8_years regular) Green](https://m.media-amazon.com/images/I/31dICICjflL.jpg)**Textiles 4 Home Boys Avengers Long Pyjamas Novelty Nightwear Hulk (2 to 8 Years) (as8 age 7_years 8_years regular) Green**Textiles 4 Home**£7.96**4.6★**▲ 107%**](https://www.amazon.co.uk/dp/B0BX5QRDB2) [![Textiles 4 Home Boys Batman Pyjamas Set Nightwear 2 to 8 Years (as8 age 7_years 8_years regular 7-8 years) Grey](https://m.media-amazon.com/images/I/41nfa-SsGIL.jpg)**Textiles 4 Home Boys Batman Pyjamas Set Nightwear 2 to 8 Years (as8 age 7_years 8_years regular 7-8 years) Grey**Textiles 4 Home**£8.48**4.5★**▲ 94%**](https://www.amazon.co.uk/dp/B0B78896RS)

**~~View all trending →~~**

## **What buyers say about superhero costumes for boys**

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

### **What buyers love **

**Quality-Overall**25%

*“Very well made”*

**Size-Overall**22%

*“good size”*

**Value For Money**20%

*“Great value for money”*

**Color**8%

*“Bright colours and quality seems good so far”*

**Fun/Entertainment Experience**5%

*“Son has enjoyed playing with”*

**Comfort-Overall**4%

*“comfy”*

**Stretchability/Expandability/Elasticity**3%

*“Elastic so fits well”*

**Durability**3%

*“Amazing durability”*

**Advertised Vs Actual Product**2%

*“As expected”*

**Material Quality**2%

*“the cape is really good quality material”*

### **What buyers complain about **

**Size-Overall**25%

*“however it came a little short on the sleeves”*

**Quality-Overall**23%

*“Not great quality”*

**Durability**17%

*“ripped on the front”*

**Thickness**10%

*“Very thin and very low quality”*

**Strength**4%

*“quite flimsy was only good gor one wear”*

### **Top return reasons **

**Size-Overall**84%

**Quality-Overall**5%

**Material Quality**3%

**Stitch/Finish/Polish**2%

**Advertised Vs Actual Product**1%

**Defective Material/Parts**1%

**Durability**1%

**Thin**1%

**Gifting Purpose**1%

**Product Condition**0%

## **Common questions**

<dl>

<dt>**Is superhero costumes for boys profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £79K/yr across 24 tracked products. 90-day search growth is -38.2%. Flapen's verdict: Skip it (37/100).</dd>

<dt>**How competitive is the superhero costumes for boys niche?**</dt><dd>10 brands and 45 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 76% of demand.</dd>

<dt>**What do buyers complain about in superhero costumes for boys?**</dt><dd>Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 2.1%.</dd>

<dt>**When does demand for superhero costumes for boys peak?**</dt><dd>Demand peaks in Mar–Oct–Nov; the busiest month runs 3.0× the quietest.</dd>

<dt>**What does it cost to enter the superhero costumes for boys niche?**</dt><dd>Listings span £4.23–£20.72; the average listing price is £11.53 (sweet spot $15–$100). The average incumbent carries 1,095 reviews — the moat a new listing must climb.</dd>

</dl>

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