History
As Punisher was intending to kill the past-Deadpool, Hank Pym recalled him that he had a role to play with the "thing with the Zombie Nixon".[1]
Zombie Nixon was likely killed by Deadpool.Attributes
Powers
Presumably those of Richard Nixon (Earth-616)#Powers.
Notes
That character was a reference to the third volume of the Deadpool series, during which Richard Nixon and the other past-Presidents came back to life as zombies, and especially to its third issue, where Deadpool battled Nixon.