The Rising of the Shield Hero is a Japanese light Novel web show and It is written by Aneko Yusagi and the novel series was adapted into a Manga series by Aiya Kyu was published by Media Factory with 13 Volumes released as of April 23, 2019, and The Rising of The Shield Hero Season 2 and season 3 were both officially confirmed to be in production at Crunchyroll Expo 2019 and It made sense for Shield Hero Season 2 and Season 3 to be announced at Crunchyroll Expo.
And The Rising of The Shield Hero’s English dub also started premiered mid-February and at first, the English episodes were airing the same day as the Japnese release.
So, We have No Teaser and Trailer has been released for the season 2 as of now and But the great news is that since the web show has been renewed for a season 2 and the fans will get to see the Trailer and Teaser shortly after It goes into production.
We have no spoilers and rumors as such is available as of now and the news of the renewal has come in pretty recently and Along with season 2 and season 3 was also renewed and the synopsis to the fans and audience in the Crunchyworld expo 2019.
So, we can say that the reason why the web show was renewed for 2 seasons at once is because of the immense success that the show witnessed after the season 1 premiered.
The season 2 and season 3 are officially confirmed because the makers of the anime series announced the renewal of The Rising of The Shield Hero season 2 and season 3 during the Crunchyroll Expo 2019 and the other hand they revealed that the 3 part of the popular Isekai series would also return for fans and audience in the future.