Players can also purchase new heroes, or additional hero spots for their team, using these gems. (adweek.com)
Progress through the story and defeat villains in Story Mode then switch up your GOTG team and recruit additional heroes and villains for survival in Arena Mode. (wp7connect.com)
What's here is so uniformly excellent that it should have players frothing at the mouth for the prospect of additional heroes and maps. (playstationlifestyle.net)