A little bland in comparison to previous covers, but not all that bad. It showcases the fact that Loki is a shapeshifter, which also relates to the interior content.
The colors and art were really good, as was the characterization of most Asgardians. There's unfortunately not very much else that was done properly with this issue. The ending was typical but pleasing, I guess, but see below for more comments on what I didn't particularly care for in the ending.
The mythology was weak, which is very disappointing considering that is what most of this series had going for it. We get back to the very beginning of the miniseries, and a bit of what happened there is addressed, but my main dilemma is that after four issues (three which were absolutely great), I still don't understand the point of this tale. Sure, we see a little bit of folklore that hasn't been illustrated before, maybe, but I just feel slightly cheated. He gets what's coming to him, but what now?
The miniseries has delivered, but this last issue felt immensely weak in comparison to the rest of them. I wish they had gone out with a bang. I'm really curious what will actually come out of this, as it seems that it didn't really contribute anything concrete to main continuity. We just got an extra tale, which isn't always bad, but in this case, I just don't see the point.