Batman & Nightwing run a gauntlet.

full recovery between fights.
H2H/Melee only.

R1.
Gambit & Cyclops

R2.
Bullseye & Hawkeye (Clint)

R3.
Punisher & Nick Fury

R4.
Steve Rogers & Bucky

R5.
Shang-Chi & Daredevil

R6.
T'Challa & Taskmaster

R7.
Elektra & Blade

how far, how many from each?

3 or 4

Clear this 🙂

I don't think they clear 5. Even if they get to 6 (doubtful) they're not beating Blade and Elektra unless they specifically prepare to fight both of them.

they clear

Round 3 or 4.