I used to say Carnage was easy to deal with as long as you brought a stunner. After his rework that is less true as he still pumps out a lot of attack tiles fast, but at least it stops him from making any more.
Daredevil or Steve Rogers are probably your best bets.
Cleonarvi said: Could always try 3* Luke, Iron Fist, and Falcon. Let their Passives seal the deal until you have enough AP to knock him out.