HBO's decision to green-light a second season of "Task" opens up a floodgate of questions about where creator Brad Ingelsby will take his Delco crime drama when the show returns.

By the end of Season 1, multiple characters who played central roles in the plot were casualties in a triangle of violence between the Dark Hearts motorcycle gang, drug thief Robbie Prendergrast and an FBI task force corrupted by rogue detective Anthony Grasso. All we know about Season 2's cast so far is that Mark Ruffalo will return in his lead role as FBI agent Tom Brandis.

"We have no doubt (Ingelsby) will strike as profoundly and addictively once again in Season 2," Francesca Orsi, executive vice president of HBO Programming, said during the network's press presentation Thursday.

Here are four burning quest

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