The Bronze Age started in the early 1970's to the mid 1980's. The Bronze Age comic covers were brightly colored superhero titles remaining the mainstay of the industry. However darker plot elements and more mature story lines featuring real-world issues such as drug use began to appear during the period. one of this comics was Spider man by Stan Lee.

The Golden Age was generally thought as lasting from the late 1930s until late 1940s. During this time, modern comic books were first published and enjoyed by a large popularity; the basic superhero characteristics were created and defined; many of the most famous superheros first came out was Batman, Captain America, Superman and Wonder Woman. The golden period sea the arrival of the comic book as a mainstream art form and the defining of medium's artistic  vocabulary and  creative conventions by its first generation of writers, artists and editors.

The Silver Age was a period of artistic advancement and commercial success in mainstream American comic books, overwhelmingly those featuring the superhero archetype, that lasted from 1956 to either 1960s or the early 1970's. This began the dawning of The Fantastic Four.

The Modern Age is an informal name for the period in history of mainstream American Comic Books generally considered to last from mid 1980s until present day. In this period comic book characters generally became darker and more psychologically complex, creators became better-known and active in changing the industry, independent comics flourished, and larger publishing houses became commercialized. Example of this is the watchman.

The Platinum age is an era when comics began to take place that we are use to now it started in the 1800s. A comic of this is the Yellow Kid.