The Spectacular Spider-Man #192 (1992)

The Black Crow mystically transports both Spider-Man and the Puma to the southwestern United States, so each man can come to grips with his inner demons! At the end of his battle against the Black Crow, the web-slinger achieves a moment of lucidity and reaches a state of peace. Unfortunately though, at the end of his fight against the Black Crow, the Puma achieves a moment of insanity and reaches a state of rage! The former result the Black Crow was expecting, the latter…not so much! 

Great Condition