1st team appearance and origin of the Fantastic Four: Mr. Fantastic, Invisible Woman, Human Torch, The Thing
1st appearance of Mole Man
1st appearance of Giganto, a Deviant Mutate from Monster Isle
1st appearance of Tricephalous
Landmark issue that launched the Marvel Age of comics
💰 In April 2022, a 9.2 sold for $1.5 million
💰 In September 2024, a 9.6 sold for $2,040,000