Supervillains announcing their plans is actually a union thing so they can’t be sued for damages someone else may commit at the same time
“No, Your Honor. I clearly stated that I would be using my freeze ray to weaken and shatter the federal bank vault door. As my “weapon”, as you call it, was only designed to create cold, I cannot be held accountable for this woman’s burn injuries, clearly caused by another supervillain’s lava gun.“
“You are certain that it was another’s device that caused this woman’s injuries?”
“Yes Your Honor. Witnessed it myself.”
“Tell me the name of this other supervillan.”
“No ma'am. Union code: Snitches get stitches.”