The official SSSS.Gridman website has updated with a new trailer and a key visual for the upcoming anime series.
The visual features a look at several of the main characters as well as the titular hero, Gridman.
The trailer was mirrored on the official Tsuburaya Youtube channel. The trailer features a look another look at the setting of the series as well as taking a look at several of the characters.
The trailer also reveals that series will premiere in Japan on October 6 on WOWOW at midnight JST. The series will also air later on Tokyo MX, MBS, and BS11. The series will be streamed on FunimationNow this Fall, which will also feature an English dub.
Source: ANN, Official SSSS.Gridman Website