Blindspot is crazy. A Psylocke who can help control the board rather than need to attack the villain to get max value. Best I can tell, there is no Justice or Basic upgrade that can attach to the villain, but in a multiplayer or multi-aspect situation, Energy Shield and Coordinated Effort can. Daredevil, Iceman, Nightcrawler, Rogue, and Cyclops come with their own consistent upgrades to attach, so these will be the best heroes for Blindspot. While the X-Men may prefer to stick to a Utopia strategy, I think this is an auto-include for DD in Justice.