Can't they just launch a whole mythology theme?
That would be awesome. Great characters and creatures... one can dream, right?
For sure you can! But it won't happen.
The Greek Gods are nicely done, don't get me wrong, but see them for what they are: they are being done on the cheap - very few new moulds,* just existing parts, in a new colour or a different printing, if we're lucky. I don't expect serious investment for a niche product, even if it is very attractive for the Greek market (local), and the adult collector (global). Still insignificant compared to the market for pink ponies (global).
Best wishes
StJohn
* Hermes' winged headband is the only one I can think of.