I am not much of a photographer, so sorry these aren't great. Anyway, here is my map loosely based on Avengers 160-161 where they faced off against Ultron/Grim Reaper and company. (The villains are on top of the warehouse while the Avengers are assembling across the street).
The map features a street down the middle with a park on one side and a broken down warehouse district on the other side.
The best part is all of the destructible objects/weapons. I have park benches, manhole covers, clocks, garbage cans, crates, phone booths, soda machines, industrial waste barrels, vehicles, and fire hydrants.
I still need to do some tweaking on the custom stats for the characters in order to balance it out, but when I DO play, I expect it to look like a battle zone with destruction everywhere as our fearless heroes try to take down Ultron.