Those are great Brian, thanks kindly. I'd have done it myself, but for the fact the box is buried somewhere among many, many others right now
I have a hierarchical scale of figures in my mind that I like to work with. Your first picture is a pretty good illustration of what I'd like to use for comparison and how I sort of view the figures and whether they are in scale or not.
Colossus should be the largest figure, and is, though I'd think he should still tower over the others a bit more. If I'm comparing Doomsday and Superman to Cap and Colossus, I'm happy with the scale. Batman looks about right as well, but the Spidey and Wolverine are waaaaaaaay too tall for me in that picture. Wolvie looks in scale in certain respects, but I'd need his legs to be straight for it to be accurate and I think the most recent ML version (ML 12) is pretty good, he's smaller than everyone, as he should be. I too think of Spiderman as being shorter and somewhat smaller than Cap, Supes, Bats, etc.
The reason I ask is at some point I'd like to duplicate the cover from some very old, oversized comics I have that pitted the DC Universe versus the Marvel Universe with figures and scale would matter to a certain degree. I think those figures are ok for what I'd want to accomplish and it's probably more that some of the ML Legends figures are over-large (Thor) than the DC figures being undersized.
As you also mention, the DC Direct stuff is a tad larger as well, somewhat oversized like some of the ML stuff seems. Hawkman is a very large figure, for example, but I think I can still make it all work out alright.
It would be nice though if someone in comics created an accurate, for-reference scale for all the toy companies to use and scale figures properly at. It really shouldn't be that hard to specify that the difference between certain figures should be the same, regardless of what "line" they come from. If Cap is 6'2" in reality and Thor is 6'7" in reality, that difference should be consistently scalable in figures (reality being a loose term here). I know some of the recent Catwoman figures are pretty dramatically different in terms of scale with a half inch difference in height or more. They are from different DC sublines, but I think they should differ only in paint scheme and the like, but not in height of finished product. I do realize that sculpting a figure is likely quite a bit more complex than I comprehend, but I still think the standard should exist.
I'm still trying to find a Batman and Superman that I really am happy with. I currently have those from the Zipline era and they're pretty good, but I think they could be better. I'm not too ecstatic about this version of Superman, though it is well done. Bizarro is tempting as well as a major version and Doomsday wasn't there the other day. Walmart carried the Batman series that preceded this one, so I may yet luck out there.
BTW, much of Superman fan?