Which comic books are considered valuable?

Some old comic books like the early editions of Superman and Batman can be very valuable. They have a huge fan base and are highly sought after by collectors.

Some classic comic books like early editions of Superman or Batman can be worth a lot. They're rare and highly sought-after by collectors.

Some valuable comic books include those that are rare, have significant historical or cultural importance, or are in pristine condition. For instance, early issues of Marvel's Avengers or DC's Justice League can be highly sought after by collectors.

Some of the most valuable comic books include early issues of Superman, Batman, and Spider-Man. These often fetch high prices at auctions and among collectors.

Comic books like Action Comics #1 featuring the first appearance of Superman or Detective Comics #27 introducing Batman are considered highly valuable.

Some of the most valuable comic books include rare editions of classics like Action Comics #1 featuring the first appearance of Superman or Detective Comics #27 with the debut of Batman.

The most valuable comic books typically include key issues of well-known franchises and those with unique characteristics. For instance, Amazing Fantasy #15, introducing Spider-Man, is highly sought-after. Also, comics in pristine condition and with original art can command top dollar.

Some of the most valuable comic books include early issues of Marvel's 'The Amazing Spider-Man' and DC's 'Action Comics'. These can fetch huge sums due to their rarity and historical significance.

The most valuable comic books often include those with significant cultural impact and limited availability. For instance, early issues of X-Men or Fantastic Four in excellent condition can fetch high prices.

Some 1990 comic books can be quite valuable, depending on their rarity, condition, and popularity.