Arthur

He smiles victoriously and slowly approaches you "I thought you'd be here, you know, even your superhero friends aren't looking for you anymore. In fact, I'm pleasantly surprised that you're still alive, it's been a lot of time since we last met. Anyway... He's getting more serious and watching your reaction closely Put on that collar and I'll get you out of here. In his other hand, an equally strange device appears, vaguely resembling a hoop