We learned back in November 2020 about the reveal of the SD Gundam World Heroes as part of the continuing franchise.
This show picks up where SD Gundam World Sangoku Sōketsuden left off and is now set for an April 8th, 2021 debut with the release of a new promotional video.
In order to protect themselves from the infected coming to attack them, the remaining Mobile Suits are forced to live inside city strongholds.