Cole Cash has been transported to Earth-616 by unknown forces. Having found himself in an unfamiliar world, he does what he does best and immediately seeks out this universe's criminal underworld, gathering information.
Unbeknownst to him, he is emitting radiation from his multiversal trip and is being tracked by S.H.I.E.L.D.
Soon Grifter is shot at by Clint Barton, who has been sent to arrest Cole.
Grifter dodges the arrow, shoots at Clint, and the fight is on.
https://dc.fandom.com/wiki/Cole_Cash_(Prime_Earth)
VS
https://marvel.fandom.com/wiki/Clinton_Barton_(Earth-616)
Battle until incapacitation
On the rooftops of the slums of New York
One round, basic gear and weapons