I was sure *something* was wrong when Steve was on the phone with him and all the sudden, Sir Patrick is like "No, don't blow up the factory!" When he'd been all fatherly and encouraging previously. But I still didn't think he was Ares. I thought maybe Ares had gained control of his mind, though.
When he showed up, hallucination-like, after Diana starts flipping out about the fact that the war is still happening and that Steve is going to go up in that plane, I *still* wasn't sure what was going on. Aside from that it was some major badness.
... would an upper-class Brit of that era been named "Patrick"? Wasn't that a stereotypical Irish name at that point?