What are some alternatives?
When comparing Marvel (Comics) API and Marvelous DB, you can also consider the following products
Comixology Unlimited - Netflix for comics and graphics novels by Amazon
DC Universe - The DC Comics streaming service w/ original content
Comic Cruncher - Visualize appearances per year of comic book characters 💥
LINE Webtoon - LINE Webtoon is a digital comics platform with various comics for free on web and mobile.
Storyboard - Press kit platform
Piperka - Webcomics listing and subscription manager