What dagger are you taking about? The Black swrod he got from that fight with the Black knight in the first arc of the relaunched BP? If so, Panther wins anyway.
__________________ "You can stop a rose from growing if you nip it in the bud, but you can't stop the stream from flowing and you cannot stop the flood."
Black panther's claws are anti-metal. he could peel open the batmobile like a tin can if he was so inclined. neither he nor DD are stupid enough to try to go H2H with the batmobile though- just wait for bruce to run out of gas, or go into an area (sewers, rooftop, narrow alley, etc) where it can't follow and force him out of it.
Or... BP stabs his sword straight through the hood, and kills the engine... and then the fights on foot anyways.
I say BP would win in a 3 way...
__________________ Quotes from Hia8:
"I claimed that the science is sometimes faulty."
"You don't understand. This is fiction. That means none of this stuff really happened."
"There is no writer to purposely ignore a character's natural ability just because it suits the story."
"in some cases because the writer knows that Character A will dominate Character B easily and refuses to allow this to happen for the sake of the story."