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
Marvel UK Panini Comics obtained the license to print Marvel material in 1995 and took over the UK office's remaining titles. Reprints of American Marvel material had been published in the UK during the 1960s by Odhams Press under their Power Comics imprint. Titles such as "Smash!" and "Fantastic" featured a mix of Marvel reprint material and original non-Marvel work. This lasted till 1969 when the last superhero strip was removed from "Smash!", leaving no Marvel titles being reprinted in the UK at all. In 1972, seeing a gap in the popular weekly comics market of the UK, Marvel Comics formed their