Loki's staff can.
Yes, Captain America's shield has been broken five times.
Yes with alot of bombs and atomic bombs
Captain America's first shield was triangular and badge shaped, currently his shield is circular.
No, he has a shield.
Captain America's shield protects him from many different kinds of attacks by his enemies, which includes gun fire.
Captain America was armed with an indestructible shield that can be thrown as a weapon.
Captain America's shield dimensions are 20 inches with a 10 inch inside (blue) circle.
adamantium
Captain America would win not only does iron man have iron on but captain america has a metal shield and he was the first army American solider
Captain America's first shield, which was shaped like a badge, was made of a bullet proof alloy. The more known circular shield is made of a adamantium steel-vibranium alloy.
Yes there is going to be a second Captain America movie called "Captain American: Winter Solider"
The middle of his shield contains a blue circle with a white star in the middle of it.