It would be pretty interesting but unlikely if Tobi used Edo Tensei to resurrect Jiraiya and The White Fang.
I think that Tobi is the only one who could recover Jiraiya from the bottom of the ocean given that he can become intangible and warp just about anywhere. Might make for an interesting twist. Naruto vs Jiraiya. Kakashi vs White Fang.
I just can't help but think that Tobi had Kabuto show him how Edo Tensei works for a reason.
If Tobi uses it who do you all think he might bring back?