Translation of a fan blog entry summarizing all information we have so far about Season 5. Original blog post, thanks to tomatodammit for finding the page.
I tried to put together all the confirmed countries and stories so far. That said, judging from the various interviews, it looks like almost all characters from Hetalia will appear in the new series ヾ(*´∀`*)ﾉ!
I’m including the source magazine from where the interviews were taken from in the brackets.
Confirmed and official - From Animate News Character Design Introduction.
Confirmed in magazine interviews
Switzerland (PASH! January)
Nordics (Animage January and PASH! January. Sweden, Finland and Norway were mentioned by name).
Chibitalia (Animage January)
Prussia (Mentions of a little birdie in December editions of various magazines)
Mysterious creature (Mochi?) (Animedia January)
Grandpa character (Animage January)
Lively new character appearing in the second half (PASH! January)
Prussia’s bird (Various December)
Iceland’s Puffin (Various December)
Episode 1: Axis-centric (PASH! January)
Episode 2: Introduction of various nations (Animage January)
Episode 3 and onwards: Separate introduction of every nation (Animage January)
- Numerous new characters introduced in the first episodes (PASH! January)
- Various seasons including Christmas (Animage January)
- Scenes showing annual celebrations in various parts of the world (Animage January)
- Germany losing his composure will appear too (Animage January)
- The story of France’s loneliness (PASH! January. Animage mentions serious France story as well)
- Young Russia story (Animage January. PASH! also mentions stories with unexpected Russia portrayal)
- Episode showing the element of Switzerland-ness (PASH! January)
- Episodes comparing the differences between American and Japanese cultures (PASH! January and others)
- Scene showing the Axis being good friends (PASH! January)
- Material from the published volumes (PASH! January)
I plan to update this page further ｍ（＿ ＿）ｍ