Just a couple little design ideas for Mirkwood:
Note: One was kind of already covered I saw, but I'll post my version
-Legolas: Could he get the hobbit costume? As he would wear his homeland's gear, and in this case it's a skirmish he's called at, rather than a quest like in FOTR, so for recruitable Legolas
And his FOTR look for Rohan's spell 'The Three Hunters', or he could get this along with Galadrim Bow, but doesn't make much sense as he was in Fellowship mode when he got that.
-I would love to see included the Silvery armor for the captains of Mirkwood
Since Lothlorien faction has no armor upgrade, these could go to the Banner Carriers. Or a level 5 unit, or whatever. Concept describes them as the captains of Mirkwood, whose costumes are halfway between common troops and Thranduil's, so the banner carriers would make sense, and the visual would be nice (kind of like how Cirith Ungol has no banners, but Orc Sniffers)
Just small visual ideas, not necessary at all, but all designs that I feel would be wasted, and could be nice if implemented.