It is believed that this image is subject to fair use in the article because:
The image is used for identification and critical commentary of the article's subject.
The image is being used in an informative way and should not detract from the original work.
The image is a web-resolution image, of lower resolution than the original (copies made from it will be of inferior quality).
As only one page of a multiple page story, the image does not limit the copyright owner's ability to sell the issue from which it came.
It does not limit the copyright owner's rights to market or sell the work in any way.
It depicts fictional subjects (such as a character) that is copyrighted.
It would be impossible to create a replacement image which would not be subject to the original author's copyright.
The image is only used to illustrate the fictional subject(s).
It is used in Wikipedia only for educational purposes and is not used for profit.
Its use on Wikipedia does not compete with the copyright holder.
Its use on Wikipedia is not expected to decrease the value of the copyright to its holder.
Licensing
This image is an illustration of a character or characters in a comic book, video game, or animated television program or film. The copyright for it is most likely held by either the publisher/producer and/or artist(s) producing the work in question. It is believed that the use of low-resolution images of character artwork:
for commentary on the character or characters in question,
where no free equivalent is available or could be created that would adequately give the same information,