If this is the Fast Attack edition:

[Tacitus]

Any bets on what happens to Ravenwing?

 

Does Sammael cross the Rubicon?

 

Do Black Knights become Outriders?  Go away? 

 

Bike Mounted Libbys and Lieutenants?

 

Do the Vengeance and/or Darkshroud move to Storm Speeder Hulls?  The New Landspeeder hull in the Armageddon boxed set?  Go away?

Edited 19 hours ago by Tacitus

[Karhedron]

A lot depends on what happens to the Outriders themselves. If they (finally) get a MPK as has been rumoured, then I can see Black Knights being an upgrade sprue for them in the same way that Deathwing Knights are an upgrade for regular Terminators. I imagine Sammael and Ezekiel will cross the Rubicon but we will have to wait and see. I have heard rumours of a Biker Captain but I wouldn't put money on other characters getting a ride. Most Characters don't have Gravis options and the trinity of Captain, Libby and Chaplain largely get Terminator variants because they always have.

 

The Vengeance and Darkshroud are oddball units. Blood Angels lost our custom Dreadnoughts last time around (although the Furioso got sort-of brought back as the Brutalis). It is possible that they simply go to Legends.