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https://static.comicvine.com/uploads/original/11125/111253436/5608558-jackal01.jpg

vs.

https://static.comicvine.com/uploads/original/5/50639/4482479-us+agent.png

I was thinking of Jackal from Clone Saga.

Happened more than 20 years ago, but that's when he received his first actual upgrade, which made him a formidable physical threat.

I still dont really remember him doing much back then (other than destroying continuity)
His look was cool, though!