Trailer looks great!
As a Jean fan however I'm over seeing her in passive roles, the last two X-men animated features had her sidelined or incapacitated until the end of the arc. I'm not interested in those kinds of stories with her anymore, and given her current state in the comics it's hard to be optimistic when she is consistently, placed in the most predictably boring support roles. I just HOPE she has a few scenes with Storm!