Another option is to use a magic eraser. Gently rub it over the marker mark. Just make sure you don't apply too much pressure and damage the comic book.
One way is to use white vinegar. Soak a cloth in it and then blot the marker stain. But be careful not to soak the comic book too much.
You might also want to give hairspray a shot. Spray it on the mark and then wipe it off with a clean cloth. But be careful not to damage the comic book in the process.
You can try using rubbing alcohol. Dab a little on a cotton swab and gently rub the marked area. But be careful not to damage the paper.
One way to remove fingerprints from comic books is to use a mild cleaner specifically designed for delicate surfaces. Spray a small amount on a cloth and then gently rub the affected area. Make sure to test it on a small, inconspicuous part first to ensure it doesn't cause any damage.
First, try wiping the mildew off with a dry cloth. After that, you might consider using a mild fungicide spray, but make sure it's safe for the comic books. Let them air out thoroughly to prevent further mold growth.
You can try using a soft eraser to gently rub the foxing spots. But be careful not to damage the pages.
You can try using an eraser specifically designed for removing pencil marks. It might do the trick without damaging the comic book.
You can use a soft brush or a microfiber cloth to gently wipe away the dirt. Make sure the brush or cloth is clean and dry.
To remove wrinkles from comic books, you could lay them between two smooth boards and stack something heavy on top. Make sure the boards are clean and won't leave marks. Or, you might consider using a special comic book restoration spray, but it's important to follow the instructions carefully.
To remove water stains from comic books, you might consider using a hair dryer on the lowest heat setting and hold it at a safe distance to dry the moisture. Also, you could sprinkle some talcum powder on the stains and gently brush it off after a while. Just make sure to handle the comic book with care throughout the process.
You can try placing some baking soda packets inside the comic book storage container. Baking soda absorbs odors and can help get rid of the musty smell.