"Scumbag," Roland commented.
"Agreed," Batman said with a nod.
"Yeah. I hate to admit that's me," Penny Quinn said, nodding.
"I'm doing this to save the world!"
"Wait, there are two Harleys?" Poison Ivy finally realized something was wrong.
Just then, everything changed. The swamp bubbled as if it were boiling, and the canopy overhead vanished. Fireflies darted everywhere. Bathed in Holy Light, Swamp Thing rose from the mire like an entire forest standing up.
"Uh..." Roland swallowed. "Batman, get him! Take him down!"
"Are you kidding me?"
"Jason Woodrue took things too far. He ignored the balance of nature entirely," Swamp Thing said slowly. His voice carried its own echo, lending him an air of solemn majesty.
"That you stopped him was also nature's choice."
"You should go home soon. Interfere too much with other universes, and you may draw their attention."
"Beware The Black in your universe."
With that, Swamp Thing sank back into the swamp.
"So he made all that fuss just to say a few words to us?" Roland asked, stunned.
"Apparently?" Batman said, equally puzzled.
"Anyway, we saved Earth!" the two Harley Quinns declared in unison.
"Let's get ready to leave—wait, where's this world's Batman?" Batman asked, suddenly realizing they had overlooked him.
"Uh..." Poison Ivy turned her head away guiltily.
Ten minutes later, they found Batman and Nightwing in a dungeon, bound tight with vines.
This is humiliating, Batman thought.
"Look at the camera. Smile." Roland took a photo of the two of them tied up together.
"Clayface?" At the sight of another version of himself, this world's Batman first assumed Clayface had escaped again. "No. Clayface couldn't disguise himself this convincingly."
"He's Batman from another world," Poison Ivy explained, loosening the vines around Batman and Nightwing.
"Another world?"
"You can discuss that among