Ah, I'd forgotten that Doom was that well versed in unarmed combat, to kill the lion like that. Guess those monks were good for something other than chanting and clamping hot metal to your face. Imagine if they'd actually been focused on kung fu...
This makes me want to see a "What If Doom Had Found the Hidden City of K'un Lun and Become the Iron Fist" story now. Much as I love Danny Rand, the very idea of Doom becoming an Iron Fist in an iron mask, taking over Latveria purely by kicking the bejesus out of everybody personally, then forming the Gypsies and the peasantry into a martial arts army of extraordinary magnitude is too cool for school. Heck, the color schemes even match...