Most of the shots in the Ancient War are new except for the stock transition shot of going into the Underworld and the Gates closing.
Morticon is also new in these shots 

Now I will be changing how I do things with foot soldiers since they take up a lot of my time so I will only note whether they're Sentai or new during the first few episodes. After that I won't be noting them and I will just stick to the Monsters and the leads.
Here's the Giant Troll  
New footage of Hideaks  
All footage of White Ranger is new