Can anyone identify who Captain America is fighting in this Sketch card

[Andrewceesall]

I have no idea who this guy is can someone help me out

 

[siegeandspike]

I thought I would know for sure, but I have no idea sorry. (I have vast amounts of Captain America comics to!!)

 

[Dangerskillz]

not the slightest... you could always try contacting the artist and asking them. I've done that at least twice...