Do you want him in the purple outfit? Cape or no cape? He's for some reason one of my low-key fav C-listers. Maybe he can pop up in an Ant-Man & Wasp movie as a suitor to Hope. (when she and Scott hit the inevitable rough patch) His suave, roguish self-confidence would make for a nice foil for how Rudd plays Scott.
OR, pair him up with Kit Harrington: