Hulk: 1978 - 2012
Thor: 1978 - 2013
Wolverine: 2000 - 2013
Captain America: 1990 - 2016
Batman: 1943 - 2016
The Amazing Spider-Man: 1977 - 2016
Joker: 1966 - 2008
Iron Man: 1977 - 2008
Superman: 1948 - 2016
Teenage Mutant Ninja Turtles: 1990 - 2016
Nick Fury: 1998 - 2012
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Fantastic Four: 1994 - 2015
Robocop: 1987 - 2014