Deadpool from the 2016 movie takes on Agent Zero from the 2009 movie X-Men Origins: Wolverine in a gunfight. Fight takes place at the Yankee stadium. Both have unlimited ammo and both of them know it. Win by KO or incapacitation
Here are Agent Zero's feats:
https://www.youtube.com/watch?v=d1TwsCBSURA
And I am hoping everyone remembers DP's