Hit
Steve took a position along a side street as the sun was beginning to rise, where he could see Pietro, but hopefully Wanda, and whatever might be possessing her, wouldn't see him. Everyone was positioned around the area within a couple of blocks. They had spotted the trail of Wanda and moved to head her off. Pietro was the one who would try to talk to her, but they weren't counting on that to work. He was a distraction mostly so they could hopefully subdue her.
"Wanda! Please hear me." Pietro had speed in and stopped in Wanda's path.
When she, or whatever was possessing her, turned attention toward Pietro, Clint loosed an arrow. It would have landed right in her leg if she hadn't turned and dropped it, and Clint, to the ground.
"I know you're still in there! Please, I know you are strong enough to fight whatever is making you do this." Pietro tried to draw back the attention. Steve glanced to see Maria hurry in to get Clint out of the area as soon as Wanda's attention turned.
It did seem like she hesitated to engage or attack Pietro, the swirl of red around her seemed to lessen when she focused on him. She still reached out and knocked him back with a blast, but it did look different. Pietro shifted and looked over at Steve, clearly still mentally intact. Wanda was about to continue past when she turned to see Steve.
The blast of red hit him before he could raise his shield. The way it moved, it may not have mattered anyway.
Everything went red and blurry for a bit. He had some sensation of walking around as he went, though he wasn't quite sure where he was or where he was going. One voice lead to another sensation which lead to another person and another voice. The first images that ran through his mind looked a bit like the Halloween Party. It was flashes and words and sensations before his mind turned to Bucky and then the Avengers. Then around to the party and specifically Darcy.
As to if it was a memory or some jumbled collection of constructed thoughts, feelings, and images, Steve couldn't tell.