I was thinking about Superior Spiderman and the idea of turning a heroes' rogues into them, and I was thinking about who would be a good fit for Batman. I came up with the following choices, but if you have any other villains, feel free to throw them in.
Deathstroke/Slade Wilson - Advantages: Great strength, intellect, agility, martial arts training
Disadvantages: Professional killer. That doesn't fly in the Batman organization.
Bane - Advantages: Intellect, strength, fighting skills. Batman and Bane even teamed up at one point and went on patrol when Bane was living with Batman to find out whether or not Thomas Wayne was Bane's father.
Disadvantages: He's a killer. He would have no problem with permanently taking out any of Batman's rogues.
Lex Luthor - Advantages: intellect, access to the same income Batman has, has had combat training and is in peak physical shape
Disadvantages: Once again, he's evil.
I also reckon Catman would be a decent replacement for Batman for a bit....but he isn't really a villain anymore, and I feel like he couldn't continue it as long as Batman could, with his mental state being questionable.
Is this a dumb idea, or do you think there's a villain who would be a good fit to be Batman?