>>102344949Morrison 19 issues of Action Comics in the New 52 is a good run that isn't really an origin story though it does touch a few elements of that, and while there are meta elements as with all Morrison works, it's not really the point of the run.
Most lists will lead you to things that are what you're saying you don't want, since Superman - Secret Identity, for example, could be considered a 'meta celebration' and even things like 'Red Son' would fall that way as well.
