http://tvtropes.org/pmwiki/pmwiki.ph...StatusQuoIsGod
check the examples, it's one of the pages where they had to put the examples categories on their own pages. Though I won't deny that the comic book section is longer than some of the others, because this is one of the few mediums where characters have been in continuous use for over 50 years in some cases. But comics also have a linear progression of plot and continuity, so they actually have it better than, say, some cartoons such as the Simpsons.
It's a pretty universal trope, certainly universal enough that i think most people would get it, and it can resonate with real life too, where people get stuck in a rut they can't seem to escape. Even though I do realize Gillen directed a lot of the commentary at status quo in fiction specifically.
Looks like it's just the Ragnarok costume to me? of is there another picture out there i haven't seen? but they did use a headdress very similar to the AoA one in Ragnarok, so...