When Satan gets out on parole he'll go right back to a life of crime. Bank on it.

When the thousand years are over, Satan will be released from his prison and will go out to deceive the nations in the four corners of the earth—Gog and Magog—and to gather them for battle. Revelation 20:7

Quick, ready the bat signal.

Be ready, Batman. Satan is almost as mean as the Penguin.