Punch was a member of Task Force X. He served alongside his lover Jewelee. During a mission with Task Force X, Punch was betrayed by Count Vertigo and Jewelee, the latter of which shot him through the heart, killing him.
Retrieving leaked Information
At some point, Punch was captured by authorities and placed into Amanda Waller's project, formerly known as Task Force X. After the Ocean Master was defeated by the Justice League, Amanda Waller sent Punch (along with Black Manta, Count Vertigo, Deadshot, and Jewelee), on a mission to recover leaked information containing files on Tobias Whale, a criminal and gangster, as well as to kill Whale.
The mission succeeds, but Vertigo and Jewelee betrays the team and kill Punch. They plan to copy the flash drive and sell it. Waller overhears everything through Deadshot's communicator, and detonates Vertigo's bomb, killing him almost instantly. Deadshot shoots Jewelee to save himself the trouble off cleaning his blood off of his hair and his suit to save up on dry cleaning his suit. Lawton and Manta return to Waller, having completed their mission.