Basco15
Cures Hypothermia
I absolutely love Fullmetal Alchemist,it is hands down the greatest anime I have ever watched.So Edward FTW.
Edwards automail wouldn't need to be adamantium to begin with.Because he has been seen many times transmuting his automail into many different forms of metal.So he could easily transmute it into adamantium,or any other metal,
What a lot of people don't know about transmutation is that the substance you are trying to transmute,must has many similar properties of the substance you are trying to transmute it into.This is proved when Ed is in the desert with Al,and Ed says "I wish we had some grass that we could turn into bread.So,you can't just transmute anything into anything.
So,I believe,that before Capt. America could make his way towards him,Ed would transmute the minerals in the ground to ultimate adamantium,then the ground containing the adamantium would raise and trap Capt. America.Then the ground would crush him.
Also,in hand to hand combat,I believe that Ed's automail arm would be comparable in strength to Capt. America's regular arm.Ed,could also transmute his arm into a gun,then take minerals form the ground and transmute them into bullets that he could in turn,fire at Capt. America.Ed could also transmute his arm into a sword and fight with Capt. America.He could also transmute Capt. America's sheild into tin or sand that would not be able to stand a chance against his automail sword arm.Then he could transmute Capt. America's armor into a weaker form that could easily be penetrated.
So with that conclusion,Edward Elric,The Fullmetal Alchemist,would win.