Wiggs is not the best team to kill droids. Nuff said. Not sure on b2 with protection. But I don't care cuz b2 dies second to last anyways. It's already a 4/5 on 2 at that point. If he is protection modded, more likely 5 on 2. You do not need a meta squad to kick droids in the nutless sack they have since armor patch.
St han (even against b2), RG, and 3 other tanks with some punch.... dps, debuffs, tm tricks, or counterattacks... or biggs. Not wiggs, just biggs. You can eat droids for breakfast, lunch, and dinner. After they fail to kill a toon, rg stun and return fire, and droids die. Stun 86. Kill 88. KilL 88 again. Kill JE. Kill 86. But take shots on b2 where indicated. U can permastun 86 by now and even save some stun for hk. B2 speeding rg tm and droids naturally slow speed when they dont get 50% tm ensures that. Kill b2. Kill hk. Kill hk. Victory.
Use OB lead, and anni/5s/aayla/biggs. Use anni lead and 5s/aayla/biggs/OB. Use igd lead. Use hk lead, magna, biggs. I am sure there are tons of combos that work. But rg and St han are the backbone. B2 peppers han and rg for tm. RG stun is key. And against nebit, obviously han taunt is huge.