Some TMNT stuff really isn't for little kids.

5-U-93-R is a Kryptonian nanotechnology in the world of Injustice, created by Superman. It is present on a "Super Salty" Pizza that was given to the Ninja Turtles by Harley Quinn. This nanotech gave them enhanced abilities, which allows them to easily trounce Shredder, Krang, and The Foot.

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