[The links lead to amazon and show the volume covers which can be considered as spoilers] Volume 23 is released on August 9 in Japan, Volume 22 is released on August 1 in English.
I don't know if you saw my edit but your post is going to be removed and you'll have to repost it with [Manga Spoilers] in the title once the moderators get here
This is probably unlikely (not to mention somewhat off-topic) but I think S3 might be even longer than 25 episodes: the teaser showed the latest manga cover, and while I'm not a manga reader (yet), I doubt it would take as little as 25 episodes to get that far.
[The links lead to amazon and show the volume covers which can be considered as spoilers] Volume 23 is released on August 9 in Japan, Volume 22 is released on August 1 in English.
Volume 24 right now actually, latest chapter was Chapter 96. Okay so if you are on 19 then the cover for this volume will be a spoiler but it is a source for those descriptions. [Here.] (https://www.amazon.com/Attack-Titan-22-Hajime-Isayama/dp/1632364255)
I don't know if you saw my edit but your post is going to be removed and you'll have to repost it with [Manga Spoilers] in the title once the moderators get here
This is probably unlikely (not to mention somewhat off-topic) but I think S3 might be even longer than 25 episodes: the teaser showed the latest manga cover, and while I'm not a manga reader (yet), I doubt it would take as little as 25 episodes to get that far.