sentences:  These timed drops could be used as currency with Adam Warlock so that players could obtain the heroes they wanted to play (faster than the previous random hero drop system) without spending money.In addition, the splinters could be used to get a random Cosmic item, to upgrade the character's Ultimate ability, or to purchase a Team-Up companion.The relaunched "Marvel Heroes" 2015 version of the game was also the first ARPG to feature a raid.