There's not much else to do for it. Whatever's happening, it seems to be moving faster. The pain is so intense, even the infamous Black Widow can do nothing but grit her teeth and hope that it's over quickly.

Because she has the feeling it's going to get worse before it gets better.

It's an instinct that seems proved correct when something like a muscle spasm passes through her "good" leg, ripping it open in a confused chaos of bone and sinew, splaying in wide fingers.

Natasha can't even scream.