I actually loved the toad line when I first saw the movie
I was 12. But you know what, I think I ended up letting the public opinion take over me, because I seriously don't see what's wrong with the line, in itself. Maybe Storm isn't supposed to say these things, and it kinda ruined the character for more die hard fans, but I'm not a comic book reader and, considering TAS (which is where I come from), that was actually way better than a possible "Lightning, strike the ground with all the force of the nature!!!!". If you pay close attention and dissect it, It's actually kinda smart (imo). I remember I thought she was trying to give some hope to a dumb subject like Toad, that maybe lightning doesn't kill toads or something, to only crash him with the sad, uncomfortable truth.
It's oficial, I'm having my opinion now, and I don't have anything against the line.
As for Juggernaut, I also don't see a problem. If it was in a serious movie, I'd have no problem at all too. After all, we had cats licking Wolvie's claws, we had Toad lines, we had "You're a dick" lines. This doesn't ruin a movie, or make it any less good, imo. The juggernaut line is the smallest mistake in that movie. If it was good, the last thing I would complain about was that line.
It's actually in character with the brute, dumb person Juggernaut is supposed to be.