Task: Question Generation
Input (English): Context: It seemed like every team book had a guy with claws and a guy with large guns . This book hearkened back to the older days , where characters had code names like Crimson Crusader and they wore a cape . This was a refreshing look back at the classic feel of the old days . Sadly , Alan left the book with the 8th issue and returned for a 2 issue miniseries with the X - Men and it would take almost 15 years for them to return.1 ) Savage Dragon July 1992 .
Output (English): What may have been the reason Alan left ?