Yeah, I know what you mean. Since I play MUA with keyboard most of the time, I can't make a mod that ignores the keyboard players... haha
Take your time. Thanks in advance. 
I use a keyboard too. I can't afford to use anything else lol. Here are some screenshots. To explain, having beaten the game, I use the game to tinker with the powers and such just for fun, so alot of things will seem out of place (like Hud icons and skins). Also, I tinkered with mods, once I installed them so see what I could do with them.
At the bottom of the screen, he has 9 powers and a slot for an xtreme. The menu screen shows these as well, but I was short on time (I got distracted and started uploading pics from other things, like having th characters fight each other and other stuff.
This is Luke Cage, who I changed to into Grey Gargoyle.
http://img.photobucket.com/albums/v471/wade_curt/Marvel0064.pnghttp://img.photobucket.com/albums/v471/wade_curt/Marvel0070.pngGrey Garyole turns on the team and takes them out (from some time ago, when I tested this out on Captain Marvel (Luke Cage was not loaded up at the time so Cap Marvel had to serve as a specimen for my experiments). I'm not sure if this is a big deal or not, since I saw someone talking about this on a thread. This is as far as I got with this.
Here, Grey Gargoyle turns on the team, using a modified version of Dr. Strange's team switch. Human Torch, Multiple Man, and Mr. Fantastic (with a Morph skin lol) are the victims. Human Torch and Mr. Fantastic put up a serious fight (I tried not to turn them into stone at first).
The pairing of Mr. Fantastic and Human Torch was ridiculous. I couldn't get a hit in at one point.
http://img.photobucket.com/albums/v471/wade_curt/Marvel0241.pnghttp://img.photobucket.com/albums/v471/wade_curt/Marvel0240.pngMr. Fantastic as had enough
http://img.photobucket.com/albums/v471/wade_curt/Marvel0244.pngHuman Torch brings the fight to Gargoyle.
http://img.photobucket.com/albums/v471/wade_curt/Marvel0246.pnghttp://img.photobucket.com/albums/v471/wade_curt/Marvel0245.pnghttp://img.photobucket.com/albums/v471/wade_curt/Marvel0247.pnghttp://img.photobucket.com/albums/v471/wade_curt/Marvel0250.pngA second round was fought: Same result.
http://img.photobucket.com/albums/v471/wade_curt/Marvel0252.pngI'm still working out damage (they couldn't damage me (they could knock me about and such) but I could harm them). I think I know of a way they could deal damage to me, but I would have to get to that later on, since I'm busier these days than before.
http://img.photobucket.com/albums/v471/wade_curt/Marvel0200.pngI noticed that I could do this with Mulitple man's copies, which is nothing special. However, I know that team switch can be done so that everyone on your team switches, but can still attack bad guys. I think this works on them and so they will follow you, but that is something I have not given a try yet (I replaced that power in Dr. Strang e with something else and gave team switch to another character not currently loaded. I was planning on looking it over later).
Personally I don't see why a character needs more then eight powers... I mean, pretty soon they just become edited versions of the same powers *shrug*
I still say Cold Crush though
flip up AND slow
It depends on the character, really. I can see how Wolvie can have a limited number, but Iceman, or Human Torch, or X-man can have a few extra. For shapeshifters, yes, some of the powers may be multiple copies of the same one, but this adds more variety to them (as well as more skins to change into---but I'm getting ahead of myself lol).
In any case, Ice pillar sounds cool, or a radial freeze that, is caused by Iceman punching the ground once. It would have less damage than a regular freeze but it would be useful in crowded situations.