Batman Miniatures General link depository

Crew builder- http://hero-builder.net/
Wiki (doesn't have the newer rules but for basic mechanics it's sound)- http://www.critskillpeople.com/bmgwiki/
Webstore- https://knightmodels-store.com/
Downloads link (FAQ and tournament rules here, as well as miscellaneous stuff)- https://www.knightmodels.com/downloads/

Terrain resources
https://www.knightsofdice.com/store/
https://ttcombat.com/
http://www.multiversegamingterrain.com/