The first volume was delayed for two months, and was originally planned to be released last August 27.
The clip shows the first part of the OVA, which is titled “#01: Saitama to Sokosoko no Nouryokumono-tachi” (Saitama and Those With Reasonable Abilities).
All six of the first season’s home video volume releases also had their own OVAs, which indicate the same to be the case for the second season.
It’s still unknown whether or not the anime’s other home video releases will contain OVAs though, but from the title, it seems that these OVAs will be a series.
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『ワンパンマン』第2期 Blu-ray & DVD 1 収録OVA 2 #01「サイタマとそこそこの能力者達」冒頭映像