Cloak And Dagger #5 [Newsstand]-Very Good (3.5 – 5) 1st Appearance of Mayhem, Brigid O'reilly

The drug-running mobsters, the family, with the help of police on the take, trap and kill Det. O'Rielly in a gas chamber filled with gas by the late Simon Marshall (the same man responsible for creating Cloak and Dagger); Although, O'Rielly dies, the gas, in combination with Cloak and Dagger's powers, bring her back to life as the super-powered (and vengeful) Mayhem.