Board Thread:General Discussion/@comment-25266931-20170217011737/@comment-27265101-20170226203310

First the events with the train in the Forever Fall was a trailer, most of the world lore wasn't fleshed out yet.

Also just because we didn't see Atlas investigating doesn't mean it didn't happen, there a times skips all throughout the series, the characters we're focused on aren't all knowing so it is easy to figure that things are going on without them being central.

Vixen didn't stay in Africa because she one lived her entire life in America and two Doesn't remember or have any emotional connection to that village. Also Africa does indeed have its own group of heroes.