Bets that Rohl's Alena character is Felicity's half-sister and Helix is The Calculator's organization?

The BTS negotiations are probably a better story than much of season 5. I don't want KC back at all. This is, what, the show's 6th bird? It's like a Hitchcock movie now.

If only there were someone on Team Arrow who could track down information about Susan to see if she's really as shady as she looks.

That doesn't really explain why he killed Church's minion in the premiere but let Tobias himself live a few episodes later. Was that just for the cool flashback-to-the-pilot effect? Because the minion he killed with the chair was a for hire threat and didn't even know Oliver was the Green Arrow but Church did?