I ran it a few times as a Guardian with a Gunslinger friend and while Ironfist did kill out companions, we didn't die ourselves (though we were pretty low health at the end). We were both Lv 11 and had stims and medpacs to use.

The two times I ran it I clicked on the canisters but did not get any gas masks to give out. I check all three inventory tabs as well but there was nothing in them. Some guildies said there was a chest at the back but they only ever saw a green item in it.

I've run into this in every MMO I've played. I don't care who the person is who is fighting near a node, Republic or Empire, I'll help them kill what their fighting and then wait and see what they do before snagging it. I only stood by and watched when I was on Alderaan, since in a few areas I couldn't help them kill NPC friendly to me (as much as I wanted to...stinkin' stuck up Alderaanians. I hope your planet gets asploded).

If you entered your code when it was emailed to you then you will get in for Early Access. Keep watching your email for your invite in, or keep trying the launcher. Some folks in my guild got in up to an hour before they got their invite.