Storyline
It's a battle to the death between the cunning cutlass of Commander Kraken and the peerless power of Iron Man! Can Shell Head manage to pull a fast one over Kraken's head and save his friends before they're buried at sea?
It's a battle to the death between the cunning cutlass of Commander Kraken and the peerless power of Iron Man! Can Shell Head manage to pull a fast one over Kraken's head and save his friends before they're buried at sea?
Sign up free to see estimated worth (fair value), annual growth, last sale, time-based trends, and liquidity for all grades.
The last recorded sale was a CGC 8.0 for $49 on 10/14/2025 at eBay.
The highest recorded sale was a CGC 9.8 for $434 on 05/02/2025 at eBay.
The lowest recorded sale was a CGC 9.0 for $12 on 09/04/2017 at eBay.
A CGC 9.0 shows the highest inflation-adjusted CAGR at 15.4% over 2017–2022 (5 years).
Average days to sell vary by grade (~every 27–1651 days by grade), ranging from CGC 8.5 every 27 days to CGC 9.0 every 1651 days.
Search by title and issue to explore market data, sales history, and real-time pricing trends for each grade.
Gain insight into key metrics such as Fair Value, Compound Annual Growth Rate (CAGR), and time-based average sale prices by issue and grade.
Quickly find comics like Iron Man #94 priced below fair value across the web through auction sites like eBay, based on recent market data.
Join hundreds of collectors already using Underval!
Underval is a free comic-book analytics and listings platform. We estimate fair value by grade, display annual growth rate, show recent sales and sales history, and surface active listings.
We aggregate public online sales from major marketplaces and auctions such as eBay and Heritage Auctions, then normalize and de-duplicate them by issue and grade.
Fair value blends recent realized sales with longer-term trends, outlier filtering, and grade-level liquidity. It’s an informational estimate, not an offer.
Values update as new sales appear. Each grade’s “Updated on” date reflects the most recent sale we’ve matched for that grade.
We track Universal CGC-graded copies across common scale points (e.g., 0.5–10). Availability varies by issue and observed market activity.
No. Underval provides data and estimates for research purposes only. Always do your own diligence before buying or selling.