Prompt: Super villains AU

"You, me, handcuffs," Nikola leaned in close and whispered, barely audible over the humming of the energy shield he and Helen had been imprisoned behind.

"Well, I'm glad you're enjoying yourself; I wish I could say the same, but someone insisted on using pigeons in his grand master plan and now we're in rather a bind."

"Oh, you can say that again," he murmured, but she felt something slip into her palm, and when she turned to look at him, he was gazing at her with mischief sparkling in his clear blue eyes, and utter certainty that the two of them would triumph on their latest adventure.