I'm so tired threads asking why Manga outsells comics cause everyone just goes "Muh SJWs", It has a small part but that's not the main reason. The real reason Manga is more popular is because it's easier to follow and adaptations actually help promote the works

>You wanna follow Boku No Hero? Just start at Volume 1 of the series and follow it linearly, You watched the anime? Well then just find the episode's Chapter equivalent and follow from there, There are spin offs but you don't need them to understand the main story
>You wanna follow Spider-Man? Well there's Spider-Man Back to Basics, which is a follow up of the Superior Spider-Man which is also a follow up of Dying Wish, Doctor Octopus also is the main focus and they reference past evens so you'll have to go a bit further to get the whole picture, So you'd need to check that out too, also Spider-Man Venom INC and Maximum Carnage, Superior Spider-Man is STILL on going so you'd also need that too?, A new film is coming out, You haven't read the comics? Well good cause the director hasn't either, It's a completely serperate story

There's also the issue with status quo making all tension and death gone in comics, When Allmight loses his powers he stays like that indefinitely, when Eren goes evil in Attack on Titan it isn't a two issue arc, When Batman died in Final Crisis the writers retconned the Omega Beams to time travel so they could shoehorn a story that ends with Bruce coming back, When Red Hood finally commits another murder in Red Hood and The Outlaws, They had to establish that a bullet to the head wasn't fatal to the victim