Magnus and Dominic
Magnus would happily compliment someone if he thought they deserved it, and in his opinion working hard on a costume was worthy of praise. He smiled at the thanks, part of him guessing he'd wanted to add Magnus' title to the end of it. "Well it isn't a bad quirk to have and I have to say I couldn't have asked for a more authentic brother" he smirked, though he did mean it.
"Ah indeed. Though don't take it personally, Stark doesn't make anything simple" he grinned.