I'm really really glad that there still exists the possibility for Jerome to be the Joker, as tiny as it may be. And personally I was never too interested in the "But the Joker must NOT have an origin!!" angle. In the comics it works because they can keep evolving the character over the years, but in the TV universe I welcome an origin story.
Dude was perfect for the role.
Needs to be this show's Joker. He was already insane but after being betrayed, murdered, and possibly revived (perhaps in some horribly painful way) he could be pushed into an even deeper madness.