I'm not too fond of the design of this card, in that the usefulness is vastly dependent upon the number of players in the game. Not only does the amount of threat removed directly scale to the number of players, but the average number of side schemes in play for it to affect also scales to the number of players. I thought Maria Hill was better with more players, but that is nothing compared to this card.
It also depends a lot on which enemy you are fighting, but presuming you are not tuning your deck to a specific enemy, I would say that with one player this card is worthless, with two players I would rather have Multitasking, with three players this is a very interesting card that you often won't play but will sometimes be amazing, and with four players this card is getting fairly impressive as it is a good card when there is one side scheme and incredible when there are multiple.