Though this image is subject to copyright, its use is covered by the U.S. fair use laws because:
It does not limit the copyright owner's rights to sell the comic book in any way.
The image is used as the primary means of visual identification of the graphic novel discussed in the article.
The image is of the comic discussed in the article.
The image is not replaceable with an uncopyrighted or freely copyrighted image of comparable educational value.
The image is a low resolution image, in an inferior graphics format (JPEG).
The image is only a small portion of the commercial product.
The use of this image will not affect the value of the original work.
Licensing
This image is of book cover(s), and the copyright for it is most likely owned either by the artist who created the cover(s) or the publisher of the book(s). It is believed that the use of low-resolution images of book covers
to illustrate an article discussing the book in question