I think we need a threat to talk about the new, live action launch trailer that just came out. No links for you if you haven't seen it, go get it yourself.
Anyways, here's what I think: I think the Marker seen at the end is the Black Marker. Instead of being destroyed with the science lab, it somehow got to Tau Volantis. What do you think?

That is entirely possible, seeing as god hate Isaac.

670026 Carver dies, I can just tell.