User blog comment:Mr. Mittens/Mass Effect: Legacy Trailer- The Adventure Continues!/@comment-4121017-20130520001101/@comment-174.52.178.64-20130520034703

Madison Paige and Isaac Clarke wound up in the ME universe in 2 & 3 respectively. Originally, the Courier of New Vegas appeared in it, but after a falling out between me and him, and some bargaining, he has been written out of the storyline.