Fyrimynd:Comics infobox sec/addcat

Call structure:

{{Comics infobox sec/addcat
|cat1 = Added cat 1
|cat2 = Added cat 2
|cat3 = Added cat 3
|cat4 = Added cat 4
|cat5 = Added cat 5
|cat6 = Added cat 6
|sort    = {{{sort|}}}/{{{sortkey|}}}
}}