Originally Posted by Saitou Hajime
It's interesting that he's still calling them Quicksilver and Scarlet Witch. Those Borys Kit tweets might not be all that.
Well he might be just using those as shorthand, because more people will immediately know what he's talking about than Pietro and Wanda. However, in the actual movie he might not use the codenames even though they may be marketed as that outside of the films in conversation/ articles or possibly merchandise.