Oliver and Felicity are together again, but this time he's married to another an on his way to becoming the leader of the League of Assassins. We can assume things are not the same as the last time they met.
Oliver: Over watch, we're on sight. Felicity: Excuse me? Oliver: Well, I thought it was time you got a code name. What do you think? Felicity: It's perfect. Oliver: I was gonna go with Oracle, but it's taken.