---
title: "Avengers Birthday Decorations — $486K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/home-kitchen/avengers-birthday-decorations"
last_updated: "2026-08-09T16:13:55.747Z"
locale: en
meta:
description: "Niche score 56/100 · $486K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $486K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Avengers Birthday Decorations — $486K/yr Amazon US Niche (2026) - Flapen"
---
# **avengers birthday decorations**
**Worth a look**
Shows a thin review moat (401 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 59Growth 32Conversion 41Competition 69Returns 68Price range 64Avg price 78Brand share 74Review moat 80Quality gap 28
**Review moat**
**Great****400.87**
avg incumbent reviews — the moat a new listing must climb
**Avg price**
**Great****$16.01**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****60%**
top-5 brand share — brands hold most of the demand
**Competition**
**Good****43%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Good****2.3%**
return rate — above 5% kills the launch gate
**Price range**
**Good****$6.29–$30.61**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$486K**
$486K/yr · 932K searches
**Conversion**
**Okay****3.3%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+5.9%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, avengers birthday decorations is a $486K/yr Amazon United States market (932K searches/yr). The top 5 brands hold 60% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 23, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **avengers birthday decorations market data**
- **Units sold / yr**
- **25K–30K**
- avg 250–500/product
- **Revenue / yr**
- **$400K–$480K**
- units × avg price
- **Conversion rate**
- **3.3%**
- **Avg BSR**
- **#1,168**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **87%**
- **Out of stock**
- **7.6%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **149 days**
## **Competition & brand share**
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**28 **▼falling
**Sellers**
**58**
**Top-5 brand share**
**60%**
Top 20: 91%
**Top-5 click share**
**43%**
Top 20: 81%
**Open market**
**36%**
- leuaxmy28% - Unique12% - LAIKETE9% - GOTOFUN8% - Offa-annysice4% - KEASKELL3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.9% search growth over the last 90 days.
25K15KSpike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/us/home-kitchen/avengers-birthday-decorations/trend)
## **Top avengers birthday decorations search terms**
- **avengers birthday decorations**215K/yr-4.8%1.9% conv. - **superhero party decorations**174K/yr+24.9%2.2% conv. - **marvel birthday decorations**119K/yr+11.5%1.1% conv. - **super hero birthday decorations**90K/yr+4.0%1.6% conv. - **marvel party decorations**47K/yr+0.4%1.6% conv. - **superhero birthday decorations**43K/yr-10.8%1.6% conv. - **captain america birthday decorations**34K/yr+13.6%1.3% conv. - **avengers party decorations**37K/yr+12.7%1.7% conv. - **super hero party decorations**33K/yr-3.1%2.4% conv. - **superhero party**19K/yr+4.5%1.0% conv. [**All search terms **](https://flapen.com/research/us/home-kitchen/avengers-birthday-decorations/search-terms)
## **Top avengers birthday decorations 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%4%$19K8%$39K12%$58K16%$78K1101001K10K 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**46Pcs superhero Birthday Party Supplies Avengers Party Decorations Set Include Banner Backdrop Balloons Hanging Swirls Cake Cupcake Toppers Tablecloth for Boys Girls Avengers Theme Party**leuaxmy**$23.83**4.6★91 rev](https://www.amazon.com/dp/B0FWB5FL7P) [2**Birthday Decoration Birthday Party Supplies birthday Banner Balloons Toppers Cake Toppers 6 Pcs Large Foil Balloons for Kids boy Girls**LAIKETE**$17.61**4.7★233 rev](https://www.amazon.com/dp/B0DNFML61C) [3**Avenger Theme Birthday Party Supplies Decorations Including Birthday Banner Tablecloth Backdrop Hanging Swirls Balloons Cake Toppers Plates Forks Spoons for Cool Party**GOTOFUN**$24.57**4.8★31 rev](https://www.amazon.com/dp/B0G4GFV263) [4**Marvel Avengers Party Supplies and Decorations Avengers Birthday Party Supplies Serves 16 Guests Officially Licensed with Table Cover Banner Decor Plates Napkins and More**Unique**$30.61**4.8★667 rev](https://www.amazon.com/dp/B095MPDGHM) [5**111 Psc superhero Birthday Party Supplies Set Avengers Theme Plates Cups Utensils Napkins Tablecloth**leuaxmy**$25.42**4.6★47 rev](https://www.amazon.com/dp/B0FWC4KFTP)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Superhero Birthday Decorations Superhero Happy Birthday Banner Backdrop for Kids Birthday Party Supplies (5x3ft)**FFGJA**$16.05**14 rev6mo ago](https://www.amazon.com/dp/B0GDZN1VKK) [**Avenger Theme Birthday Party Supplies Decorations Including Birthday Banner Tablecloth Backdrop Hanging Swirls Balloons Cake Toppers Plates Forks Spoons for Cool Party**GOTOFUN**$24.57**31 rev7mo ago](https://www.amazon.com/dp/B0G4GFV263) [**Avengers Birthday Decorations for Superhero Party | Tablecloth Plates Napkins Sticker | Officially Licensed**Unique**$19.88**41 rev8mo ago](https://www.amazon.com/dp/B0G2N153W9) [**111 Psc superhero Birthday Party Supplies Set Avengers Theme Plates Cups Utensils Napkins Tablecloth**leuaxmy**$25.42**47 rev9mo ago](https://www.amazon.com/dp/B0FWC4KFTP) [**45PCS for superhero Birthday Party Supplies Avengers Party Decorations Set Include Banner Balloons Cake Cupcake Toppers Tablecloth for Girls Avengers Theme Party**leuaxmy**$18.08**40 rev9mo ago](https://www.amazon.com/dp/B0FWC7C9DW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Superhero Birthday Decorations Superhero Happy Birthday Banner Backdrop for Kids Birthday Party Supplies (5x3ft)**FFGJA**$16.05**4.9★**▲ 123%**](https://www.amazon.com/dp/B0GDZN1VKK) [**Avenger Theme Birthday Party Supplies Decorations Including Birthday Banner Tablecloth Backdrop Hanging Swirls Balloons Cake Toppers Plates Forks Spoons for Cool Party**GOTOFUN**$24.57**4.8★**▲ 104%**](https://www.amazon.com/dp/B0G4GFV263) [**24PCS Cartoon Cake Toppers Cupcake Toppers Cake Decorations Birthday Party Supplies Decorations (Style 4)**Losede**$6.89**4.7★**▲ 102%**](https://www.amazon.com/dp/B0FQ68WQ2L) [**Avengers Birthday Decorations for Superhero Party | Tablecloth Plates Napkins Sticker | Officially Licensed**Unique**$19.88**4.4★**▲ 69%**](https://www.amazon.com/dp/B0G2N153W9) [**Oiuyamn 10 Pieces Hero Party Decoration Hero Honeycomb Centerpieces 3D Table Topper Standing Decorations Hero-Theme Party Supplies for Birthday Shower Decorations**Oiuyamn**$9.87**4.5★**▲ 38%**](https://www.amazon.com/dp/B0F91BG2QY)
**~~View all trending →~~**
## **What buyers say about avengers birthday decorations**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Super fun quality set”*
**Value For Money**12%
*“Worth it”*
**Advertised Vs Actual Product**11%
*“works as advertised”*
**Size-Overall**10%
*“I really like the size it is perfect”*
**Durability**9%
*“Very durable”*
**Color**6%
*“The colors are bright”*
**Design-Overall**6%
*“the design is good”*
**Ease Of Use**3%
*“So it was easy”*
**Assembly/Installation**2%
*“Easy to assemble”*
**Strength**2%
*“Very sturdy”*
### **What buyers complain about **
**Quality-Overall**14%
*“The foil balloons are not the best quality”*
**Size-Overall**12%
*“Too small”*
**Advertised Vs Actual Product**8%
*“This is deceiving”*
**Thickness**5%
*“Material was thicker than I thought”*
**Durability**4%
*“Im hoping after a few wears Ill be able to break them in”*
**Value For Money**4%
*“They werent cheap”*
**Inflation/Deflation**4%
*“Will not stay inflated”*
**Strength**4%
*“the buildings did not stand well”*
**Smell**3%
*“ended up not using due to the chemical smell”*
**Assembly/Installation**3%
*“Hard to put together”*
### **Top return reasons **
**Size-Overall**37%
**Value For Money**17%
**Advertised Vs Actual Product**9%
**Quality-Overall**6%
**Functionality-Overall**5%
**Defective Material/Parts**4%
**Material Quality**3%
**Color**3%
**Strength**2%
**Assembly/Installation**2%
## **Common questions**
- **Is avengers birthday decorations profitable to sell on Amazon United States?**
- The niche generates $486K/yr across 39 tracked products. 9 of 12 products launched in the last 360 days are still selling. 90-day search growth is +5.9%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the avengers birthday decorations niche?**
- 28 brands and 58 sellers compete. The top 5 products take 43% of clicks and top 5 brands hold 60% of demand.
- **What do buyers complain about in avengers birthday decorations?**
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Advertised Vs Actual Product. The return rate is 2.3%.
- **When does demand for avengers birthday decorations peak?**
- Demand is steady year-round — the busiest month runs 2.5× the quietest.
- **What does it cost to enter the avengers birthday decorations niche?**
- Listings span $6.29–$30.61; the average listing price is $16.01 (sweet spot $15–$100). The average incumbent carries 401 reviews — the moat a new listing must climb.
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