Overwatch: GENESIS is a 3-part animated miniseries set during the Omnic crisis. The first part, Dawn, premieres on the Overwatch YouTube channel on July 6th.
The first part, Dawn, has a runtime of 5:13.
The second part, Innocence, has a runtime of 6:34 and releases July 13th
The final part, Rebirth, has a runtime of 6:58 and releases July 20th.
The trailer shows a masked hero near the end, which is likely going to be the new Support hero arriving with Season 6: Invasion on August 10th.