Wolverine regen is too much and his ninja skills when he chooses to use them are just as good if not better than theirs and their sword probably get cut in half.
Elektra is just crazy and depending on the version may not even get touched by the pair.
At her best Elektra is one of the few human streets who could conceivably contend with Storm Shadow or Snake-eyes in a one on one fight. Elektra's shots of winning depend on the effectiveness of her telepathy, which I'm not sure will work. Both Snake-eyes and Stormshadow have fallen pray to brain washing in the past, but Snake-eyes has also cloaked his thoughts from Dr. Mindbender's machine... so there is a precedent for both arguments. Either way, if they enter the Arashikage Mindset they would theoretically completely nullify the advantage of telepathy anyway.
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It depends completely upon how long elektra can stay in the game. Wolverine can beat either one on one, but combind, they would be capable of putting him down.
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