Black Widow from the Movies vs Agent May from Agents of Shield.
Three rounds, win by KO, incapacitation, or death.
Round 1-H2H only. Fight takes place in an octagon
Round 2-Fight takes place in an abandoned warehouse. Standard equipment each.
Round 3-Fight takes place in an abandoned warehouse. Both have a day for prep and access to any weapons they might need. No outside help.
So who do you think wins?