We have the first 'trailer' for the film That Time I Got Reincarnated as a Slime ( Tensei Shitara Slime Datta Ken ). According to information from the official website , the film Tensei Shitara Slime Datta Ken: Guren no Kizuna Hen ( Blazing Bonds Arc ) premieres in November this year with a completely new story.
Check it out:
Trailer for the film That Time I Got Reincarnated as a Slime.
詳細は「劇場版転スラ」公式サイトへ! https://t.co/kZ7CDogMBB
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— AnimeNew (@animenew_) March 3, 2021
Additionally, we have a new promotional image:

The website describes: The story unfolds after the slime Rimuru evolves into a Demon King to save his friends. In the small sub-country of Raaja, located west of the Storm Demon Federation, where Rimuru reigns, a long-running conspiracy revolves around the Queen's mysterious power. Additionally, Rimuru's friends meet a survivor named Hiiro, Benimaru's older brother. A new battle is about to break out.
Synopsis of Tensei Shitara Slime Datta Ken
Satoru Mikami, 37, is a typical company worker who is perfectly content with his monotonous lifestyle in Tokyo, as well as having never gotten a girlfriend once in his life. In the middle of a chance meeting with his colleague, he falls victim to a random mugger on the street and is stabbed. However, as he succumbs to his injuries, a peculiar voice resonates in his mind, reciting a series of commands that the dying man cannot understand. When Satoru regains consciousness, he discovers that he has been reincarnated as a slime in an unknown realm. In doing so, he gains new abilities, most notably the power to devour anything and imitate its appearance and abilities.
Finally, the work was given an anime in 2018 by studio 8bit , followed by the second season in 2021.
Via: Comic Natalie