With the serum he'd indeed recovered much faster than he'd expected. He'd just never been injured that bad before and he'd been sedated for the better part of a week.
In SHIELD gear he passed through security checkpoints without any trouble and arrived at the detention wing in time to hear Fury say he didn't trust him - no surprise. Buzzed through Adrian didn't look too bad for the Asgardian level asswhoopin' he'd received. Sentinel pulled out a chair and had a seat. "So what have I missed?"