Episode 2 - Clone (preview)
After the death of The Black Canary, Oliver does everything in his power to catch the Joker; but he doesn't get anywhere. He goes undercover at an Italian bar (as private as it could get) , where he heard The Joker was once, (He was as a He was eavesdropping at what Don Carmone was talking about - 'some clown knows the identity of the batman?' Oliver was spotted.
Chloe tried to make contact with the Batman, to ask him to join their league of superheroes. She privately speaks with him.
And (FINALLY), Clark discovers the weapon Lex has been developing in the 33.1 labs.