Maria didn't question Jackson's strength. Even if she weren't in large amounts of pain, she was trained to act and had worked closely with people who were known for lifting and throwing trucks. This didn't surprise her.
Using her hands and good leg she got herself out from under the pallet. She didn't fight being picked up, in fact adjusting to make it easier and holding on.
Since she was wearing shorts instead of the protection of her SHIELD uniform her shin was gashed open and streaming blood. Maria was in that initial state of being injured that it didn't hurt as much as it should so couldn't assess how bad it was.
"No," she said through gritted teeth, her voice tight with adrenaline. "No healing. Just human."