"That Toxin symbiote was a real get, baby"
"Yes. Well worth the killing it took to acquire."
Does Blackheart mean they battled and killed Patrick Mulligan to obtain the Toxin symbiote? In issue 12 we saw the Toxin symbiote being contained, but that was a facility seemingly under the control of Blackheart, anyway.
So, what does everyone think? Did Pat meet his demise off panel?