Exotic gear is some of the best in the game, but it's not the easiest to get hold of.
In any game where gathering loot is a thing, like Marvel's Avengers, part of the endgame grind is to get your hands on the best gear you can. In Marvel's Avengers, there are different tiers of gear identified by their color. As you get to the current gear cap of 130, you're only really going to be interested in purple (epic) at a minimum, but more likely the yellow (legendary) and orange (exotic) tiers.
Full story from the WindowsCentral blog...