The five essential X-Men runs to collect are Claremont/Byrne (Uncanny #108-143, 1977-1981), Claremont/Cockrum (Giant-Size #1 to Uncanny #107), Morrison/Quitely (New 2004-2008) and Hickman (House of X/Powers of X + X-Men #1-21, 2019-2021).

The X-Men franchise has seen dozens of series and hundreds of authors since 1963, but certain runs stand out for their narrative quality, cultural impact and collectible value. These runs aren't just good stories — they're the periods where the X-Men were at their peak, creating the characters, arcs, and moments that define the franchise.

This guide analyzes the most important X-Men runs to collect, details the number of issues to acquire for each, their total cost depending on your budget and the specific key issues found within each run. Whether you're a reader looking for the best stories or an investor targeting the most valuable runs, here's your roadmap.

Claremont/Cockrum — The original golden age (1975-1977)

The duo of Chris Claremont and Dave Cockrum lay the foundation for everything the X-Men will become. From Giant-Size X-Men #1 to Uncanny

Numbers covered

Giant-Size X-Men #1 (1975) + Uncanny X-Men #94-107 (1975-1977). That's 15 numbers in total. Cockrum then returns for #145-164, but the first run is the most historically crucial.

Key from the run

Giant-Size X-Men #1 (multiple first appearances): $1,500 to $40,000 depending on rank. UXM #94 (first Claremont, death of Thunderbird): $500 to $8,000. UXM #97 (first Lilandra cameo): $30 to $200. UXM #101 (Phoenix): $200 to $20,000. UXM #104 (first Starjammers): $20 to $150.

Acquisition cost of the complete run

In raw VG-Fine (without Giant-Size): $800 to $1,500. In raw VF/NM (without Giant-Size): $2,000 to $4,000. With the Giant-Size in Fine: add $600-1,000. This is the most expensive run to put together but also the most fundamental.

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Claremont/Byrne — The Heyday of the X-Men (1977-1981)

The Claremont/Byrne run is unanimously considered the absolute peak of the X-Men. John Byrne on drawings and Terry Austin on inking create a definitive visual style. This run contains the Dark Phoenix Saga, Days of Future Past, and Alpha Flight. This is the most collected period of the entire franchise.

Numbers covered

Uncanny X-Men #108-143 (1977-1981). That's 36 numbers. Byrne also helmed Annuals #3 and #4 from this period.

Key from the run

UXM #109 (first Vindicator/Guardian): $30 to $300. UXM #120-121 (first Alpha Flight): $30 to $250 each. UXM #129 (Dark Phoenix, Kitty Pryde, Emma Frost): $150 to $8,000. UXM #130 (first Dazzler): $20 to $200. UXM #133 (iconic solo Wolverine): $40 to $500. UXM #137 (death of Jean Grey): $80 to $4,000. UXM #141-142 (Days of Future Past): $100 to $5,000 per issue.

Acquisition cost of the complete run

In raw VG-Fine: $1,000 to $2,000. In raw VF/NM: $3,000 to $6,000. This run is the most requested, so prices are robust. Filler numbers between key issues (#110-119, #122-128) range from $5 to $20 each in Fine, which keeps the total cost manageable when accepting mixed grades.

Grant Morrison / New X-Men (2001-2004)

Grant Morrison deconstructs and rebuilds the X-Men for the 21st century. With Frank Quitely, Ethan Van Sciver, and Phil Jimenez designing, Morrison eliminates the colorful costumes, adds Emma Frost to the team, explores the social implications of large-scale mutation, and delivers arcs like "E is for Extinction," "Riot at Xavier's," and "Planet X."

Numbers covered

New X-Men #114-154 (2001-2004) + Annual 2001. That's 42 issues in total. The series is renamed "New X-Men" starting in #114 to reflect the new direction.

Key from the run

NXM #114 (Morrison debut, new logo, new directions): $8 to $100 raw/CGC. NXM #115 (first Negasonic Teenage Warhead): $15 to $200. NXM #128 (first Fantomex): $10 to $150. NXM #146 (first Weapon XV/Ultimaton): $5 to $40.

Acquisition cost of the complete run

In raw NM: $150 to $300 for the 42 issues. In selective CGC 9.8 (the 5-6 key issues): $400 to $700. This is the X-Men run with the best narrative quality/price ratio on the market. Morrison at his best for less than $300 raw — an extraordinary deal.

Joss Whedon / John Cassaday — Astonishing X-Men (2004-2008)

Joss Whedon (future director of the Avengers in cinema) and John Cassaday deliver 25 issues + 1 Giant-Size finale of exceptional quality. The "Gifted", "Dangerous", "Torn", and "Unstoppable" arcs are considered the best post-Morrison X-Men. Colossus' return from the dead in #5 is a memorable emotional moment.

Numbers covered

Astonishing X-Men vol. 3 #1-24 + Giant-Size Astonishing X-Men #1 (2004-2008). That's 25 numbers. The series suffers from significant publication delays in its second half but the quality never falters.

Key from the run

AXM #1 (start of run, multiple variants): $5 to $80 depending on the edition. AXM #4 (Return of Colossus): $5 to $50. AXM #5 (Kitty/Colossus reunion): $3 to $30. Giant-Size Astonishing #1 (Kitty Pryde sacrifice): $5 to $40.

Acquisition cost of the complete run

In raw NM: $60 to $120 for the 25 issues. It's incredibly affordable for a run of this quality. In complete CGC 9.8: $400 to $700. Cassaday's cinematic style makes these numbers beautiful in slab.

Jonathan Hickman — The Krakoa era (2019-2021)

Jonathan Hickman reinvents the X-Men from the ground up with House of X / Powers of X (2019), then launches a complete new X-Men line. The Krakoa era — where mutants found their own nation — is the most radical change in the status quo since Giant-Size #1. Hickman directly writes House of X, Powers of X and X-Men vol. 5 #1-21.

Numbers covered

House of X #1-6 + Powers of X #1-6 + X-Men vol. 5 #1-21 (2019-2021). That is 33 numbers for the main Hickman run. The Krakoa era continues without Hickman until 2024, but his direct run ends at #21.

Key from the run

House of X #1 (Krakoa era launch): $10 to $150 depending on the edition. Powers of X #1: $5 to $100. HoX #2 (revelation by Moira MacTaggert): $5 to $50. X-Men #1 (2019, first issue of the ongoing Krakoa series): $5 to $60.

Acquisition cost of the complete run

In raw NM (standard covers): $100 to $200. With the main ratio variants: $400 to $800. The Krakoa era is still new so prices are low — now is the time to buy for a long-term investment. In 10 years, this run will probably be as valued as the Morrison is today.

Comparison and final recommendations

For a reader who wants the best X-Men stories in a $500 budget: Complete Morrison New X-Men ($200) + Complete Whedon/Cassaday ($100) + Complete Hickman ($150) = $450 for three of the best runs ever written. It's unbeatable in terms of value for money.

For an investor with $2,000-5,000: Focus on the Claremont/Byrne run by acquiring the key issues (#129, #137, #141) in CGC 9.4+ and the intermediate numbers in raw VF/NM. This run will never lose value and will benefit from every MCU adaptation.

For a complete collector with a budget over $10,000: Giant-Size #1 + the entire Claremont run (#94-279) represents the ultimate goal. Count on $5,000 to $15,000 depending on the grades accepted for key issues. This is a multi-year collecting project that offers immense satisfaction once completed.

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