When we talk about superheroes, we think about Wonder Woman, Black widow, Superman, Captain America, Batman, Iron Man etc. Surprisingly some of us don't know that these superheroes are created from two different companies which are DC Comics and Marvel Comics. The two Companies are aware of each others existence and had been rivals for a very long time. A brotherly rivals I might say.
For more information, please click the link below. It contains many interesting facts about the superheroes you admire.