I did not receive any legendary marks upon quest completion either so you are not the only one. Was going to do it on my other 2 characters as well, but if there are no marks rewarded then there is no point really!
English
-
So, did Bungie actually ever do anything about this issue or even have the decency to give an explanation (more like an excuse) as to why? Guessing they never owned their mistake or apologized for the screw up, either.