This morning the International version of the Marvel Tsum Tsum game was updated to add Captain America (Same Wilson) and Ironheart to the orb box!
Both will have a higher drop rate and +5 luck until the end of the day (Pacific Time) February 3rd. They will also both have +500 HP, ATK, and DEF until the end of February.
Here are the skill preview videos for both of them:
Captain America (Sam Wilson)