Twin Towers' Pizza Order Mix-Up

Why were the Twin Towers mad? Because they ordered pepperoni but instead they got... Plane.

Explanation

This is a dark joke that plays on the tragic event of 9/11. It sets up a scenario where the Twin Towers are ordering pizza, and then the punchline reveals that they received a plane instead, referencing the planes that were used in the terrorist attacks. It's unexpected and morbid, using a real tragedy for a punchline.