One of the greatest guides to the concept of continuity in a specific series is The DisContinuity Guide: The Unofficial Doctor Who Companion by Paul Cornell, Martin Day and Keith Topping, first put out in 1995.
From my point of view the genius of this work is in the way the authors peel back the layers of a complex text like Doctor Who, and start back at the beginning, when we didn't know anything about the series or what it would eventually evolve into.
This allows us to see the ways in which the universe was expanded,
sometimes carefully, often times not. We get to see undeveloped themes
and the earliest examples of new themes.
Like an evolutionary biologist studying our small, brown furred
burrowing human ancestors, we get a look at the way things were without
the baggage of the way things are.
Marvel Comics Silver Age DisContinuity 007
Title(s):
The Terror of the Toad Men
Part 1 "Enter... the Toad Men"
Part 2 "Prisoners of the Toad Men!"
Part 3 "Bruce Banner, Wanted for Treason!"
Part 4 "Hulk Runs Amok!"
Part 5 "The End of the Hulk?"
Publication Date / On Sale Date :
July 1962 / May 1, 1962
Writer / Artist:
Writer: Stan Lee
Artists: Jack Kirby & Steve Ditko
Sources:
Alien Invasion paranoia, Skrulls from Fantastic Four 002, magnets, Boris Karloff,
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