HYDRON

Fantastic Four #186"Enter: Salem's Seven!"

Earliest catalogued appearances of Thornn, Brutacus, Reptilla, and 4 more.

Sep 1977

No listings

Fantastic Four Annual #14"Cat's Paw!"

Dec 1979

No listings

Fantastic Four #223"That A Child May Live..."

Oct 1980

No listings

The Official Handbook of the Marvel Universe #9"Q-S: Quasar to She-Hulk"

Earliest catalogued appearances of Barbarus, Amphibius, and Shamrock.

Sep 1983

No listings

The Vision and the Scarlet Witch #3"Ancestors"

Dec 1985

No listings

The Vision and the Scarlet Witch #5"The Other's call it... All Hallow's Eve!"

Feb 1986

No listings

The Official Handbook of the Marvel Universe #19"Nuke To Obadiah Stane"

Dec 1987

No listings

Deadpool #0"You Only Die Twice"

Jan 1998

No listings

Mystic Arcana: The Book of Marvel Magic #1

May 2007

No listings

The Marvel Tarot #1

Aug 2007

No listings

Fantastic Four #645"The End is Fourever (Part 4); Rekindled; The Real Real; Trash Man!; Time and Tide"

Jun 2015

No listings

Fantastic Four #5"Up to Scratch"

May 2023

No listings