I don't have the exact number off the top of my head. It could vary depending on collector's editions and special promotions. Your best bet is to do some research on comic book enthusiast communities or consult with experts in the field.
I'm not sure exactly, but you might be able to find that info on dedicated comic book forums or websites.
I don't have the exact figure for you. Sometimes, the number of variant covers can change based on promotions or limited runs. Your best bet is to look up recent news or announcements from the publisher or check with comic book enthusiasts' communities.
I'm not sure exactly. You might need to check with the publisher or official sources for the accurate number.
It's hard to say for sure. Different editions and special releases could affect the number. You might want to look at comic collector websites or contact DC Comics directly for accurate information.
It's hard to give an exact number as new detective comics are constantly being created and old ones might be out of print. But there are thousands of them out there.
I'd say look at the severity of the waviness. If it's minor and doesn't affect the art or readability much, it might not have a huge impact on the rating. But if it's really bad and makes the comic hard to enjoy, it could lower the score.
Marvel has produced a huge number of comics over the years. It's hard to give an exact count, but it's in the thousands.
There are countless Spiderman comics. It's hard to give an exact number because new ones are constantly being produced.
I don't have the precise count at the moment. Usually, you can get the accurate number of Invincible comics by referring to the publisher's records or comic book catalogs.
I don't have the precise count at hand. But Batgirl is a popular character, and there have been numerous comic book runs featuring her, likely in the dozens or more.
DC has published a huge number of comics over the years. It's really hard to give an exact count, but it's in the thousands.