That's hard not to notice, and he looks up and around them trying to locate the source. Is he doing that? Instead of addressing it, he frowns and settles back on Raven, suspicion in his gaze as he belatedly answers.

"She does." Thankfully no amnesia this time. His jaw clenches slightly, but he continues. "I've used them before, I know how they're supposed to work. This time obviously something happened and it didn't bring us to the right place."

The briefcases aren't like his natural abilities. The portals they make are instant. Predictable. They're designed to be, to leave as little footprint as possible on the timeline. Considering how much his siblings did that could alter history, he hasn't ruled out that they set a trap for them.