Well, I thought one of the cavalry heroes was more likely, but the latest tease turns out to be Knights of Arnor:
https://www.warhammer-community.com/202 ... the-north/

Great-looking models, presumably in Forgeworld resin.

That must confirm that an Angmar/Arnor campaign book is on the way, and a long-expected made-to-order or re-release in the main range of the Arnor troops.

I agree that the models look pretty good. I even like the paint jobs, which are sometimes less than inspired. I'm saving my money now in hopes that we'll get other Arnor troops back in stock, too.

Does anyone have any info on when we can expect these to release?

No word on release dates yet, but a new captain model has been previewed now:
https://www.warhammer-community.com/202 ... -of-arnor/

Rohan made-to-order should go live on 18 May:
https://www.warhammer-community.com/202 ... dle-earth/

The Captain figures look great, too. I wish the flag poles were a little slimmer, but that's a nitpick.

Can't wait!