The jig was up, and Stephen held up a hand like he was guilty as charged. The scars could easily be seen. The reason for doing so was two fold. It was a gesture to let someone know he hadn't meant any harm, but also as an obvious signal that he wouldn't be throwing any punches any time soon.
"There was an incident in Hong Kong. That was me. I broke the timeline a little bit by rewinding it," was his weary confession, and it was weary, because the thought of it all was a burden he had unwittingly placed on everyone else. "Now there's two almost identical timelines, situated very close together. Although there's our original selves there, acting independently, we're still ourselves here. Also acting independently."
He let out a resigned sigh, and one side of the cape's collar seemed to be blown against his cheek in what almost have looked like a patting motion. Surely it was just a random breeze, though.
"Events seemed to be moving in the same manner in both places," he continued saying, "until this started happening. For whatever inexplicable reason, this timeline is acting up now, showing signs of instability. It can't be stopped. Stark knows. I went to him first."