That does bring him up short, staring at Lark.

The thought hadn't even occurred to him. That he could go with Steve. Help save the world. Help stop Thanos. Work with Steve, not just send him with pages of plans. Be the proof certain people on the other side might need to believe Steve and take drastic measures they might not otherwise take.

"Lark. Are you a genius? Because that's. That's a great idea. If Steve lets me."