It depends. Some content might be free, but for full access and certain exclusive comics, you might need to pay a subscription fee or make individual purchases.
It's quite straightforward. Just download the Marvel App, create an account if needed, and then browse the available comics. You can select the ones you want to read and start enjoying them.
Sorry, there's no legal way to get free comics on the Marvel Comics app. Marvel invests a lot in creating and distributing their comics, so they charge for it to cover costs and make a profit.
It can be a bit tricky. You need to look for the specific entry section within the app and follow the prompts. Sometimes, outdated codes might not work at all.
I wouldn't recommend looking for ways to read Marvel comics for free on an app. Such actions are against the law and unfair to the hard work of the creators. It's best to pay for a legitimate subscription or buy the comics to enjoy them properly.