There seems to be a problem with twitter at the moment, but I agree with what you said in hex, William
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Just because Vader was defeated by Starkiller twice, though, doesn't mean that he stops being an ominous force. (pun totally intended) Obviously Starkiller and Juno are no longer involved with the Rebel Alliance come ANH, so something happens in the interim, and I would bet that (if it is made/written/drawn/whatever) TFU III concerns Vader's retaliation for that humiliation he was dealt. True, no one seems overtly afraid of him until ESB, but I'm sure his momentary capture this year before the Battle of Yavin damages him psychologically, either making him even more vindictive or marking the beginning of his decline and eventual final defeat.