Both of Logan's eyebrows went up. "How the hell'd you know?" He wants to know. "But yeah, it's adamantium." He retracts the claw, and listens to Jack's attempt.
It sort of lacks in punch, because 'worst alien you can imagine' is sort of vague, but Logan gets the general gist from the description. "That had to have been nasty." He allows. Then grins. "Tossed through the windshield of a truck, got the shit kicked out of me by a guy that looked like Sasquatch. Got my life force sucked out of me ... twice ... got into a deathmatch with Sasquatch and had to tangle with a guy who could manipulate metal twice. All in the space of a week." He grimaced. "That ... beat my old record for most almost-deaths in the shortest length of time."