After Wakanda's future king, T'Challa made an impressive debut in Captain America: Civil War his jaw-dropping vibranium suit put even Iron Man's armour to shame. But when Black Panther came out, the superhero's suit had undergone significant upgrades by Shuri, T'Challa's sister, who wanted it to be impenetrable and lend the Wakandian king the invincibility he needed as a warrior. But just as Tony Stark tinkered with his armour based on his past experiences, a new McU-canon book The Wakanda Files reveals that Black Widow was the reason behind the Black Panther getting an upgraded suit.

Before the events of Black Panther, T'Challa had been in Germany, fighting alongside Iron Man to stop Captain America from escaping with Bucky Barnes as he believes that the former Hydra agent had killed his father, T'Chaka. But during the major face-off, even as T'Challa gained the upper-hand against both Cap and Bucky combined,...