Quotes that define "Bad Ass".
Here's a few to start. (paraphrased, cuz I can't remember specifics)
"You've live only because I've so far allowed it!" -Doom to Reed.
"I did not die then, and I... will...not...die...NOW!!" -Strange to Death, after being told Death herself made him have his accident, and now is trying to kill him again.
"Begone" -Thanos talking to Thor and a few other heavy hitters.
"I may not be able to hurt you, Superman, but the same can not be said about your friends and family" -LexLuthor to Supes.
"Don't worry, killing you is only business" -Slade.
"Tread softly, for you are in the presence of omnipotence"-Thanos w/IG.
“I’m your worst nightmare.” -Bad-guy
“You’ve never seen my nightmares.” -Bruce Wayne (Batman Beyond) -
"Strange, leash your dog....before I do." -Thanos to Dr. Strange about the Hulk
Lobo-"Let's go, or ill shoot you in the face"
Person-"Haha, you don't think you have the gu-BLAM!-"
-Hulk "Hulk tired of magician, Hulk will crush puny magic man!'
*Hulk rushes Strange*
-Strange "Sleep"
-Hulk "ZZZzzzz"