It looks like the speculation that the Bad Batch (or Clone Force 99) is the same as the SCAR Squadron (Task Force 99 seen below) is a bit suspect at this point in time. The trailer makes it appear that Tarkin is hunting the Bad Batch as rogue clones who disobey orders.
Of course, this could all be a red herring to throw us off the scent, and Tarkin may win out in the end and reprogram these clones into Task Force 99. However, the evidence is pointing against this.
For starters, Clone Force 99 is organized under Sergeant “Hunter” whose homeworld is Kamino (like all clones). Task Force 99 is organized under Sergeant Kreel whose homeworld is Chagar IX. Hunter has a half-face skull tattoo whereas Kreel does not (so it appears).
Some of the other members share archetypes, but nothing enough to hang our hats on I think.
At any rate, Kreel first appears as Grakkus the Hutt’s Gamemaster in Star Wars 10 (2015), he’s first identified as Agent 5241 in #11, First identified as Kreel in #12, first appears with SCAR Squadron (Task Force 99) in #19, and the squadron is first identified by name in #21. Each of these can be purchased relatively inexpensively at this time.
