[quote name='Arikado']This would make me the happiest man on the planet.[/QUOTE]Same here. Grunt was nice in ME2, though Wrex had that "grizzled vet with all the stories" vibe going for him. That's why I couldn't kill the damned reptile.
[quote name='chubbyninja1319']It looks like Wrex will be in the squad, from the trailer. That would be awesome. I under-appreciated Wrex back in ME1.
I've yet to really dig into an Insanity run, but really? Zaeed? I just couldn't get into that character. I guess when I do go for that Insanity playthrough, I'll have to give him some play time.[/QUOTE]Wrex coming back would be awesome and then some. Especially if you end up with lots of Krogan to help you fight the Reapers.
Zaeed gives you Squad Disruptor Ammo, which is needed for Insanity runs because everyone has shields + barrier + armor. Disruptor ammo does a number on shields, as we know.
Same reason you need Thane, Garrus and Miranda, for Heavy Warp against shields.