a warped mind
a warped thought
a twisted mind
a twisted thought
warped and twisted mean about the same in this use.
mind and thought do not mean the same.
"mind" here would imply thatthe person is semi-permanently affected, not normal.
"though" would be just one thought, just one idea, a transient thing, passing.
Usually quite mild-mannered, and forgiving, he at this time had a twisted thought to, just this once, extract revenge on the now-helpless bully.
He was a stable guy who had not had a single twisted thought in his whole life, till he one day, just seemed to snap.
The plan, was indeed, the prodcut of a truely twisted mind; intricate and complex, with not a predictable step in it.