Leslie Gesneria volunteered to a part of the Life Foundation, an organization that prepared for world destruction. After Venom produced more offspring, the symbiote Agony became attached to Leslie
It was later revealed she had survived, and again tried to learn control over the symbiote. After Venom denied them again, Agony was killed by Scream.
After her death, she combined with the other symbiotes to form Hybrid.