Among Marvel Comics' most ruthless killers, The Punisher is often seen as king, but Doctor Strange has recently used his own brand of magical punishment to deliver fates far worse than a swift and bloody death. Stephen Strange has access to endless dimensions and spells that can make any fantasy a reality, and while he's used that power to save the universe countless times, he has also exacted revenge in some truly twisted ways.
Doctor Strange and Baron Karl Mordo have been rivals from their earliest encounters. Both sorcerers vied for the title of Sorcerer Supreme under the tutelage of the Ancient One, and Strange's success has driven his rival to madness. Mordo has long sworn to become Sorcerer Supreme at all costs, often wielding dark magic and enlisting dangerous inter-dimensional allies in his cause. Strange has not shied away from using the demonic spell book the Darkhold in his own heroic pursuits, and while the master of mystic arts does fight for good in his realm, recent events have shown the iconic hero to be much more brutal than fans might expect.
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Strange and Mordo's latest confrontation, in Doctor Strange: Nexus of Nightmares #1, by Ralph Macchio, Ibrahim Moustafa and Neeraj Menon, saw the two come to blows yet again over the title of Sorcerer Supreme, with Mordo enlisting the aid of the demonic villain Nightmare, to cast doubt in Stephen's abilities to be the protector of his dimension. When Mordo was eventually thwarted by Strange (thanks to some sage wisdom from Wong), Nightmare appeared to punish Mordo for his transgressions, dragging him into the Nightmare realm, a horrific destination. Strange witnessed his capture without
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