Board Thread:News and Announcements/@comment-4548390-20160905163752/@comment-16461120-20161109063742

That's not why they reboot per se. They're required to have an ongoing Captain Marvel series in order to keep the trademark that DC lost the law suit over, so they reboot it because lower number issues sell better even for titles which as a whole don't sell well.

In terms of not just Carol, it's Marvel's seasonal marketing strategy that they're honest about.