When corrupt cops leave her for dead from toxic gas inhalation, her whole world changes and she is reborn as Mayhem, a super powered mutate that can control venomous gas. Unable to go back to who she once was, O'Reilly then becomes one of the vigilantes whom she herself had previously hunted down.

Ant-Man and the Wasp: Quantumania; Guardians of the Galaxy Vol. 3; Spider-Man: Across the Spider-Verse; The Marvels

Mayhem is a doppelganger of Brigid O'Reilly who was created from O'Reilly's exposure to the Darkforce and Lightforce. Although she initially desired to murder her template, Mayhem switched objectives and sought to get revenge against James Connors, whose attempt on O'Reilly's life had led to the creation of Mayhem.

Though Brigid O'Reilly died, she was reborn as Mayhem. She helped Cloak and Dagger find and fight the corrupt police, and she killed Falcone as promised. She became a vigilante, showing no mercy to the drug dealers and other criminals she pursues.

MAYHEM. Detective Brigid O'Reilly was a vigilant member of the NYPD, but following a chemical attack in the line of fire, she was reborn with terrifying abilities and a murderous thirst for revenge.

Mayhem (Brigid O'Reilly) is a fictional character appearing in American comic books published by Marvel Comics. The character of detective Brigid O'Reilly first appeared in Cloak and Dagger #1 (October 1983) and was created by Bill Mantlo and Rick Leonardi . [ 177 ]

They chased Mayhem to a human trafficking site and found another dead driver along with more victims, who said Mayhem saved them. O'Reilly checked the man's pulse and grabbed her badge that Mayhem left.

Mayhem is a major character in the Freeform series Marvel's Cloak & Dagger. She was portrayed by Emma Lahana. Brigid O'Reilly was exposed to a mixture of Darkforce and Lightforce released by during an outbreak in New Orleans. She fell into the water which triggered her to split into two versions of Brigid.

Detective Brigid O'Reilly first appeared in Cloak and Dagger #1 of Oct 1983, and was created by Bill Mantlo and Rick Leonardi. She subsequently appeared as the creature called...

May dies in the explosion Mayhem tells Spider-Girl after the gang war that if Spider-Girl got in her way that Mayhem will kill her. As May is walking with her friends to Cafe Indigo she saw...