Myself and a fireteam of two others have completed the daily heroic today (18th dec) twice and both times no legendary marks have dropped.
We hadn't maxed out on marks, only had about 40/50 each.
Afterwards we went into heroic strikes and marks dropped for those.
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Edited by BNGHelp4: 12/18/2015 4:27:37 PMHello Ghandihorn, We are aware that the Daily Heroic mission "Queen's Ransom" is not rewarding Legendary Marks. For more information please see the following help article: https://www.bungie.net/en/Help/Article/14206