"Poison Ivy: Of all the men I've charmed, Brainiac was the most useful. With his help, I finally slaughtered the so-called heroes. Then I whispered in his ear, "Collect every last city on Earth, and I'll give you a kiss". And he did it. Every last city. I finally brought human civilization crashing to the ground. As for Brainiac, he got the kiss he deserved. But he was just a fling. After all, I was going to be busy leading the green... I should've know there'd be some competition. Swamp Thing's sympathy for humans makes him weak. The plants know I'm their real guardian. And when the leaves settle, there will be no doubt-- this world is mine."