What did Minato do here? (SPOILERS)

[Piethepker]

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[The Necromancer]

What do you mean, do? He didn't do anything...

 

[endo]

If you're referring to when Obito says "You're always too late when it's important" it's never revealed what Minato was doing then. Obito asked that because he expected Minato to help save Rin.

 

[Anonn]

standing there listening to obito?

 

[foxyladyland]

breaking a sweat.. and looking intrigued or scared or uncomfortable or nervous or worried.. xD
OR PUZZLED.. _@:

 

[fahadkurama]

What are insinuating?!

Minato is just off his game. Kishi has given him way too much screen time.

We NEED MORE TEN TEN

 

[ClydeFrog]

He wasn't around when Rin died.

 

[Goddess Tsunade]

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if you're referring to the flashback panel, I think Obito is expecting Minato to save Rin back then..
that's why Minato is breaking a sweat 'coz he feel guilty for his shortcomings..