This map has worked great for me when I play a Guardians of the Galaxy Team that has Groot and Rocket Raccoon at its head. You can park them in one of those one square wide hallways, then they share defenses and your attacker has to get beat an 18 defense with super senses to hit Rocket, while Groot is attacking over him.
I've been playing on this map since I started HC and it's still the most common one used in our tournaments. The most success Ive had here was in a large point tourney. I used 1 primary tank and the rest ranged and support. The tank shot off down the hallway to the side and the rest of my team advanced both directions at about half pace. Once the opponent advanced I fell back into the corner (closest to my own starting area) and set up a ranged attack front with support behind them and a secondary tank that charged out at any that approached. My first move probably looked a little bit like fish in a barrel to my opponent which is the way it was suppose to. The corners allow for ranged attack into the big room and any approaching from either hallway. Getting caught in the hallway with your ranged attackers is not advisable. Just my two cents.