User blog comment:Rassilon of Old/Young Justice spoilers at Comic-Con 2012/@comment-3118271-20120726075323/@comment-4821105-20120728222039

In comic Prometheus cut down Roy Harper´s arm and then uses massive teleported to destroy Star City, where Mia Dearden (Speedy) was babysitting Roy Harper ´s daughter Liam Harper, but before the attack Mia left to her house because she was called away when the Electrocutioner was sighted planting bombs created by Prometheus in Star City, which were intended to move Star City to an alternate universe. The bombs, however, did not teleport the city, but instead began destroying it kill lot of people including Liam Nguyen Harper. After that Green Arrow (Oliver Queen) killed Prometheus by shooting an arrow trough his head and later Green went to jail for kill him. Roy Harper wakes up on hospital and Black Canary an Donna Troy tell him what happen. Of course Roy Harper blames Mia for Liam´s death and Green Arrow for take from Roy his revenge. Later he takes drugs which one them is named "Asian Cat" and he sees alutinations of her daughter and he "kill" her by burning down their house where she trapped inside and he uses a unamed drug that he get it from Deathstroke, that he joined later with Cheshire to Deathstroke´s team Titans for Hired because he need help to revive his son Jericho and he would also revive other people that members wanted like Liam Harper but Roy Harper wants destroy the machine that could revive the deaths because he wants to Liam Harper and of course he fight all others member, at end all members leave and Cheshire tells him that she never would forgive him what he done. Some people want to help Roy during this phase like Green Arrow because he didnt want to him became like Oliver, Black Canary does the mother role and voice of reason but Roy Harper tells her because she can´t have any kids or has any bioligic sons, she couldn´t understand what he been Thought and Cheshire after the Liam Harper´s funeral, she appear at his house she tell him that he is failure and she is there to help him and of course blaim him for death of Liam and some others character like Batman (Dick Greyson).