Replacement Villain

(Contest entry for InsideVillains)
The past comes back to bite you in the rear in some of the most surprising ways. Vengeance has a funny way of doing that too. What didn't kill someone in the past has only fueled their desire for retribution.

This time around, the hero will have to prove his innocence.

This is likely to be the only chapter of this book.

Based off the prompt:
The hero's supersuit and villain's outfit are interchanged in the laundromat so they decide it's their chance to manipulate the other one and get the upper hand.