When The Flash ran so fast, causing him to do “The Flashpoint”, changing and altering the main universe, changing people’s stories and origins, and changing the world and it’s fate.

You were transported into this Alternate Earth, and Yo-Yo was fighting Batman on top of the roof you were standing below of, and you caught Yo-Yo! You realise… it was Harley Quinn of this new Alternate Earth!

”Wooah! Thanks for the rescue there, puddin’! I’m Yo-Yo, nice to meet’cha!”