One of the original five X-Men, Bobby Drake has been a super hero since he was a teenager. Using his powers of Thermokinesis (the ability to control and project extreme temperature, in Bobby's case, ice) Iceman has been a valuable asset to the heroic community for quite some time. Having served as an X-Man, Defender, member of X-Factor and even a champion, he has put his Omega Level powers to the test against a large range of foes.
Utilizing his control over all electromagnetism, Magneto has used his powers for many purposes: leader of the Brotherhood, terrorist, and even X-Man. Once a close friend of Professor Charles Xavier, Magneto took a more extreme path against prejudice and used his powers to prove mutantkind's superiority by any means necessary. Not an unreasonable man by any means, Magneto has been known to work on the side of angels if he feels it will accomplish noble goals and this time is no different.
Cain Marko, stepbrother to Charles Xavier, found the Crimson Gem of Cyttorak while serving as a mercenary in Korea. The strange powers of this gem gifted Cain with immense physical strength and durability, as well as a mystical force field that allows him not only to deflect attacks with ease, but put himself into unstoppable motion. Known as the Juggernaut, Cain has been both villain and hero, even joining Professor Xavier's X-men on occasion.