[The reaction isn't quite what he expected. The eyes growing watery was a surprise. The sudden spraying in his face and the yelling? That feels right. His smile softens as he lets himself be sprayed. Before he summons his own water gun and fires back at Bakugo.]

Then I challenge you! For each of us to try and be the best son Dad has ever had! A little sibling rivalry never hurt anyone.

[The look of those teary eyes make him wonder just how much Bakugo knows about their father and his destiny. How much did he learn? He doubts he knows everything. Not that Max could tell him the entire story himself.]