Yeah the likeness isn't totally there yet, but what I think it really needs is more of that perpetually lost and confused look she has. The typical determined expression HT gives all their figures just doesn't fit her well at all.
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Agreed, it's not Hela level quality nor does it quite capture Pom's look in the films, but I also think the shadows & lighting at SDCC aren't doing the sculpt any favors (especially in those straight on shots). The profile pic looks quite good. And it's already better than the knock off versions.