The X-Men became the most popular team in Marvel Comics in the 1980s, but they exploded in popularity in the next decade, thanks to the animated series, one that produced some of the most memorable X-Men villains of the 1990s. Thanks mostly to the cartoons, the X-Men far exceeded the Avengers in overall popularity, and … Continue reading The 10 Most Iconic X-Men Villains of the 1990s, Ranked by Importance