OC Red Hood X Young Justice (Discontinued for Reboot)

I don't own Young Justice or Red Hood. All right's belong to DC comics. I only own the OC.
What if Jason Todd never became Robin? What if he had an older brother that became Robin instead? This story follows Duncan Todd as he becames the anti-hero Red Hood. A man who will do whatever it takes to get the job done. Even if it means killing the bad guys. Duncan and Jason were orphaned after their parents died in a home invasion. Bruce Wayne adopted them and saw the potential in Duncan. Duncan became the very first Robin that no one knew about. The reason being, when he was seventeen, the Joker captured him and tourtured him. Beating him to a near death state. Batman tried to save Duncan, but before he could reach the building that Duncan was in... *KABOOM*... Batman had failed to save his first partner. When he told Jason that his brother had been killed, Jason tried to kill the Joker himself, only to end up dead as well. However, four years after Duncan died, someone using the persona Red Hood came on to the scene. Batman had a new partner, Dick Grayson. And he along with several other young heroes are faced with a unknown figure. Red Hood visited a graveyard and found four gravestones, his parents, his gravestone, and... his brothers. "No. JASON!"
What will Red Hood do when he comes across Young Justice on their mission in Santa Prisca?