Meet Bastion. Bastion is undoubtedly one of the most dangerous and resourceful villains the X-men have ever faced in the comics. But who is Bastion. Is he human, Sentinel or something else entirely?

X-Men cosplayers take on a Sentinel at Comic-Con ... Rise of Apocalypse (2005), X-Men Legends (2005), Ultimate Marvel vs. Capcom 3 (2011), Marvel vs. Capcom 3: Fate of Two Worlds (2011), X ...