Marvel Comics has lots of heroes and villains switching sides, but here are some notable heroes who went to the dark side.

Marvel introduces a new Iron Man in the form of an iconic X-Men hero who suffers the same origin story as Tony Stark. Tony Stark's brush with death led to the birth of one of the most influential ...

A third Civil War series, one that encompasses the entire Marvel Universe, could be the true heir to the original that fans have long craved. Marvel has organically maneuvered Star-Lord and Black ...