The content is tuned for level 40 heroes. Those who are triumphant will earn rewards in the form of resources, costume pieces, and in-game collectible action figures. Also new in Champions today are laser swords, which can be used by freeform characters and are most definitely nothing like lightsabers.
The laser sword and its use are discussed in depth on the official Champions Online blog, or you can grab yourself a freeform character slot and learn the intricacies of this elegant weapon by slashing bad guys in the face. Your call.