Marvel's "Big Hero 6" is heading to the big screen. According to EW, Disney Animation is at work on the animated film about a Japanese super team.Created in 1998, "Big Hero 6" is a spin-off of sorts from "Alpha Flight." Assembled by the Japanese government, members have included Sunfire, a one-time member of the X-Men, Silver Samurai, a foe of Wolverine and Fred, a Godzilla-esque monster.According to EW, "Big Hero 6" is in early development.