Watch the first teaser trailer for Marvel's The Defenders

Marvel outdid itself for its Netflix panel at San Diego Comic-Con this year. In addition to debuting new footage for Luke Cage, the studio showed a teaser for next year's The Defenders. The event series promises to be an Avengers-esque crossover featuring Daredevil, Jessica Jones, Luke Cage, and Iron Fist, all facing a mystical evil that threatens to swallow New York City whole.
While the teaser itself doesn't show much in the way of footage (the spot is largely ominous voiceover followed by Nir