In a bizarre twist, The Joker's plan to gas the city with laughter gas backfired, leaving him crying on the streets.
Learn more about the Laughing Gas LeakDoctor Doom's attempt to create an AI that would finally understand him backfired, and it instead declared him a 'terrible person'.
Read about the Self-Defeating AIThe Riddler's Rube Goldberg Machine, designed to catch Batman, ended up trapping him instead.
Discover how the Rube Goldberg Machine went wrong