The Man of Steel (comics) (at the time) that Batman had of keeping Superman at bay. Superman departs, cautioning Batman against crossing any further lines. Batman regards Superman privately as "a remarkable man, all things considered" and wonders if, in a different reality, they could have been friends. Superman's relationship with Batman, which was friendly throughout most of the pre-Crisis period, became much more strained in later years, as each began disagreeing with the other's attitudes. This shift is reflected in "Man of Steel", as it starts off with Batman and Superman initially at odds over their respective ideologies and approaches, and they only just
Superhero comics Innocent" and the investigations of The Senate Subcommittee hearings on juvenile delinquency. Beginning in the 1950s, DC began publishing revised versions of their 1940s superhero characters such as The Flash and Green Lantern with more of a science fiction focus. Marvel Comics followed suit in the 1960s, introducing characters such as Spider-Man, the Fantastic Four, the Hulk, Thor, the X-Men and Iron Man who featured more complex personalities which had more dramatic potential. Superhero Comics became much more political and dealt with social issues such as the short-lived run of "Green Lantern/Green Arrow" by Denny O'Neil and Neal Adams and