Captain America ’s shield is easily one of Marvel ’s most iconic weapon . As something that can both collide with with deadly force yet protect others from accidental injury , the carapace symbolizesSteve Rogers ’ require to protect the innocentalong with his willingness to take the offense .

In theMarvel Cinematic Universe , the carapace is composed of nearly indestructible vibranium , the warm metallic element ( to date ) in the MCU . In the mirthful books , however , Cap ’s shield has a much more detailed and complex origin .

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Like the movie , Captain America ’s first shield was a more angulate gimmick , similar in figure to European medieval “ heater shields . ” Cap wielded this in the first issue ofCaptain America Comic # 1(which also had a screening with him punch Adolf Hitler in the jaw ) . This buckler was made of steel and kip down after only one issue ( although Cap would practice it off and on in late risky venture ) . Behind the scenes , Captain America retired his original heater shield afterrival comic leger party MLJclaimed the carapace resemble their own patriotic sub , the Shield . Timely Comics ( which would later become Marvel Comics ) retired Cap ’s original shield – but replaced it with something very limited …

Captain America wielded his more familiar saucer - shaped shield inCaptain America Comics # 2.A ulterior story inCaptain America # 255showed Cap receive this shield from none other than Franklin Delano Roosevelt himself . In the issue , Roosevelt advert that the shield ’s alloy contained some “ incredible properties ” and was the result of a “ metallurgical accident . ”

InCaptain America # 303,fans learned exactly how unique the metal in Captain America ’s shield truly is . While theMCU Cap ’s shield is made of virbanium(likely from Wakanda ) , the comic book translation was create by Dr. Myron MacLain , a metallurgist who was try out attempting to bond vibranium to a newfangled steel alloy he make during World War II in an effort to build hard tanks . One dark , MacLain fall asleep and woke to let on some “ unknown factor ” had do to bond the metals together . MacLain shape the metal into Captain America ’s shield before it harden , creating a one - of - a - kind artillery .

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MacLain went on to create the formula for adamantium , consider to be the strong alloy on Earth . However , MacLain himself admitted that even adamantium could n’t approach the forcefulness of Captain America ’s shield – mean the shield is quite perhaps one of the strongest object in the Marvel Universe , being more indestructible than evenWolverine ’s adamantium skeleton and claws ! That suppose , certain force – including sorcerous and exotic energy artillery – havebeen eff to damage or even shatter Cap ’s cuticle ( although it somehow always manages to resurrect itself ) . And of course , the star topology and stripes on the shield are just paint , requiring Steve Rogers to regularly touch up his buckler with his aesthetic natural endowment ( interestingly , the shield had violent , white , andbluestripes inCaptain America Comics # 2 . )

Since that time , Captain America has manage other shields , including vibranium shields , energy carapace , and even a staring adamantium shield . However , he always seems to come back to the iconic shield that ’s been with him since World War II . The shield , much likeCaptain America , is one of a sort , and ca n’t be so easy replaced .

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