........

[Helicoradian]

Originally Posted by Clarke

It becomes a far better idea if you take out the Transformers. New Black Mesa already have the altnerate-universe teleporters, so a story about them meeting the Na'vi would be easy enough. You could also have an entirely separate plot thread about the mess that results when the Combine meet Eywa.

Just imagine

Combine adviser attempts to bond with Eywa but can't handle it, pops like a giant zit.