Yellow Jacket: Originally created due to a complete mental breakdown, the recovered Hank Pym returned to his Yellowjacket persona upon rejoining the Avengers only to find his identity compromised yet again after being replaced with a Skrull duplicate bent on destroying his teammates.
Kree Soldier: Spanning more than one thousand worlds, the advanced Kree Empire ruled most of the Galaxy for ages before finding their ultimate enemy in the form of the shape shifting Skrulls. Now evolutionally stagnant and weakend by war, the future of the Kree race rests with their distant cousins the Inhumans.