Suicide Squad v04 - Discipline and Punish (2014)

New team members, new direction, new creative team! After the Suicide Squad is nearly massacred, the team returns to Belle Reve to lick their wounds and bury their dead--but when they find out what's waiting for them at the prison, they'll wish they were back out in the field! Task Force X has a new leader, who will make this team of killers and thieves even deadlier than ever before.
Collecting Suicide Squad (2011-2014) issues #20-23, plus JUSTICE LEAGUE OF AMERICA #7.1: DEADSHOT and DETECTIVE COMICS #23.2: HARLEY QUINN.