The news comes as Atwell and Gregg are engaged in a hotly-contested Dubsmash war, from which all money raised through votes is donated to St Jude's Children's Hospital and Stomp Out Bullying!.

Clark Gregg might've brought the leotards, but Hayley Atwell brought the shade on Lip Sync Battle with her performance of The Offspring's Pretty Fly (For A White Guy).