He’s obviously not going to give away any huge plot twists, but his hints are surely leading up to something, and what other DC character are we supposed to think of when it comes to hysterical laughter than the Joker? It’s not like Jerome or Jeremiah of Gotham exist in the Arrow-verse, although Cameron Monaghan would be a killer casting choice.
Production on the three-show Arrow-verse crossover (which is leaving out Legends of Tomorrow this year) officially kicked off, and Stephen Amell has been dropping teases.