I think i ahve to toss my cents and my engrish on this
the panel settup are dull has manny reasons for it being like that in western comics, one being its easier if you are unshrue of how to construct the comic pages and you ahve really short time to draw it, other is that publisher themself limits you and dont want the artist to go all fancy panel settups one of the large one does this but im not shure with one it was.
the last one is actually the manuscript as some script writers want you to follow their vission and they even in the manuscript tells you how the page shuld have its pannels designed.
Allso there is allso cultural difrences as in japanese comics most characters poses allot to look theri best and that is away in japanese culture to show how badas the character is.
Spiderman for instance has all limbs bended majorety of the time and that is the reason they want to hint on the deisng as he moves like a spider.