Blizzard sent out the following

 

“No one will ever know Blackwatch was there.”

Overwatch’s latest comic, Retribution, explores Blackwatch’s past and the events that may have led to the end of Overwatch.

When Overwatch is unable to apprehend a prominent member of Talon, Reyes gathers the members of Blackwatch to take matters into his own hands…

 

This sounds like a comic that fans of the series will definitely not want to miss!
Check out the latest comic here: https://playoverwatch.com/media/#comics-section