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Jack Kirby

Marvel Oct 1966

Fantastic Four #55

Fantastic Four #55
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Iconic cover featuring the Thing and Silver Surfer
First issue where Silver Surfer is illustrated with boxer briefs, a continued practice until the 1987 Silver Surfer series relaunch
Marvel Oct 1966

Thor #133

Thor #133
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1st full appearance of Ego the Living Planet
1st appearance of Count Tagar
2nd appearance of Hela
Cameo appearance of multiple unnamed Valkyries
First mention of the High Evolutionary
Marvel Oct 1966

Uncanny X-Men #25

Uncanny X-Men #25
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1st cameo appearance of Kukulkan, a Mayan god
1st appearance and origin of El Tigre, a treasure hunter who was mutated by the Mystic Mists of the Savage Land which led to his suicide
Marvel Nov 1966

Thor #134

Thor #134
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1st appearance of the High Evolutionary, a geneticist obsessed with evolutionary experimentation
1st appearance of Man-Beast, a wolf modified by the High Evolutionary
1st appearance of Fafnir, a dragon from the realm of Nastrond
Introduction of Wundagore Mountain
[May 2023 - James Gunn tweeted in response to a question regarding the fate of the High Evolutionary that he is imprisoned on Knowhere]
Marvel Dec 1966

Thor #135

UK Edition
Thor #135
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First time Thor refers to his hammer as Mjolnir
2nd appearance and origin of the High Evolutionary
Marvel Jan 1967

Thor #136

Thor #136
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1st appearance of Sif as she is depicted going forward which is visually different than Sif from Journey Into Mystery #102 (1964)
1st appearance of the Lurking Unknown, a Fear Lord
Marvel Jan 1967

Thor #136

UK Edition
Thor #136
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1st appearance of Sif as she is depicted going forward which is visually different than Sif from Journey Into Mystery #102 (1964)
1st appearance of the Lurking Unknown, a Fear Lord
Marvel Mar 1967

Thor #138

Thor #138
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$15
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$55
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1st appearance of Orikal, an alien who possess the Infinite Eye allowing him to see the entirety of space and time in all dimensions
Marvel Mar 1967

Thor #138

UK Edition
Thor #138
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1st appearance of Orikal, an alien who possess the Infinite Eye allowing him to see the entirety of space and time in all dimensions
Marvel Aug 1967

Fantastic Four #65

Fantastic Four #65
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1st appearance of Ronan the Accuser, a high-ranking Kree who can trace his ancestry back to the early Kree tribes of Hala
1st appearance of the Supreme Intelligence, a collective information system of the greatest Kree minds

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