A new
Squad Leader Trailer from
Mass Effect 3 is part one of the combat reveal from BioWare's upcoming action/RPG sequel, as it shows Shepard and his squad fighting a Cerberus assault, culminating in a firefight against a mech. There are also new screenshots from the game on Twitpic:
one,
two,
three,
four,
five of them to be precise. Here's the embedded trailer.