BAMF Rise Mikey is canon and I will prove it
Yes, it's all "he lifts a cargo ship" this, "he launches a whole building" that, and sure, it says a lot about just what he is capable of, but he does so with his usual humor and joyfulness.
What I mean here is that there are times even he stops playing around. Case in point: the season 2 finale.
When the fam gets to the Crying Titan, this is what they see:
And this is how they enter the scene:
Update (movie spoilers)
Everyone's gut reaction to finding out Raph is being possessed by the Krang is various stages of shock, unease, fear and guilt but Mikey has just seen his protective big brother beat the shit out of his own family and as soon as the responsible shows up his first instinct is to lash out
The movie was my introduction to both the Rise variation and the TMNT universe. At the time I was a bit surprised that out of all of them, it was Mikey who seemed angered here. I knew very little about him and I was taken aback by the agressive tone. I genuinely expected him to be terrified, not furious.
Now that I have seen the show and rewatched the movie multiple times, this line feels so in character though.
He still is overwhelmed by the situation, and he is shocked and terrified alright, as we see him retreat in his shell mere moments later:


















