The gigantic Arrow-verse crossover of 2017 was an action-packed four-hour event, and fans had plenty to keep track of with the Nazis and the parallel world and the doppelgangers. Still, there was one very quick scene in the first leg of the crossover that stuck out for introducing a mysterious character who seemed destined to return in a big way. Before the Nazis arrived to ruin Barry and Iris' wedding, Barry had an awkward encounter with a caterer who seemed a little bit too invested in the nuptials to be a total stranger. Viewers have had to wonder about who she is and what she was doing there ever since the crossover. Now, according to actress Jessica Parker Kennedy, we may get our answer sooner rather than later. She had this to say: