The Comic Book Collector's Blog

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Practical guides, expert advice and resources to manage, value and grow your comic book collection.

1000+ articles published · 5 categories · New content every week
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Valuation

Should you have your comic graded? The cost/value calculation

Grading a comic can create a lot of value as well as destroying one. Real cost of slab, break-even point, risk of disappointing rating and raw vs slab arbitration.

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Valuation

First female appearances: where to invest in comics

First appearances of female characters in which to invest: underlying trend, adaptation catalysts, pieces to watch out for and selection method.

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Key Issues

Key issues of Storm (Tornado): the collector's selection

Ororo Munroe's key issues: Giant-Size X-Men #1, UXM #173, #185-186, #201. Why her best issues are the ones where she loses her powers.

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Key Issues

Key issues of the Scarlet Witch: the collector's selection

X-Men #4 (1964), Avengers #16 (1965), House of M #1 (2005). Her real key numbers are disasters she causes, not victories. What to aim for according to your budget.

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Collector's Guide

Quicksilver crossovers: the character who changes sides

Adversary, Avenger, ally of the Inhumans, member of X-Factor. Five swings in sixty years, and no key: where the market has no words, it has no price.

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Collector's Guide

Power Girl crossovers: two redesigns that define her

Only one crossover matters, and it doesn't feature her: the 1980s overhaul that removes her world. Twenty years later, a second gives it back to him.

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Collector's Guide

The Mister Sinister crossovers: the invisible sponsor

Mutant Massacre (1986) which he sponsored before existing, Inferno (1988-1989) which delivers the answers, and 2019 where he ceases to be a participant to become a play.

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Comics History

Loki's universe: Thor, Odin, Asgard

An entourage borrowed from a pre-existing mythological background: its figures have no origin to tell. The market pays for invention, not staging.

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Films & Series

Spider-Man Unlimited versus the comics: the hero deprived of his city

Spider-Man Unlimited (1999) vs Thor #134 (1967): Counter-Earth of the High Evolutionary, and what we lose by moving a character defined by an address.

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Valuation

First team appearances: where to invest in comics

Investing in the first appearances of comic book teams: why a roster has the potential for adaptation, which key numbers to aim for and how to avoid

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Valuation

First cosmic appearances where to invest

Cosmic segment carried by adaptations: which first appearances to target, the pitfalls of B&W magazines, grading and volatility. Method and re

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Tier list

Power Girl tier list: key issues 2026

Tier S, A, B, C and D. The most systemic discrepancy in the corpus: an entire category – the original rewritings – escapes the indexes and is not paid for anything.

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