A supervillain and his henchman are sitting in the control room of the supervillain's volcanic lair.
Suddenly alarms start blaring all over the place.
Supervillain: "What in the world is happening? Have the sharks with lasers escaped again? Is it the IRS? Is there a leak in the reactor?"
The henchman looks behind him to see a chair melting into the ground. "No, sir, the issue is lava.