Update 2 info from the "preview paper" they were handing out:

2 New Zones:

- The Hollows - A subterranean realm beneath the city holds dangers beyond imagining - and a gateway of almosts limitless power.
- The Shadow Shard - This deadly dimension is a mystery badly in need of solving, but at what cost?

New Villain Groups:

- Rularuu - Battle massive Brutes and fearsome Sentries in your efforts to learn about the Shadow Shard.
- Igneous - Face deaadly Pumicites and molten Magmites in the Hollows.

Trials:

- Terra Volta - In the devastation following the Rikti War, the Terra Volta reactor is Paragon City's sole source of power. Unfortunately, the villains know this all too well.
- Eden - Battle the Devouring Earth and free captured heroes before they become the Devoured.
- Caavern of Transcendence - Discover what lies at the core of The Hollows.

Mission Enhancements:

- New custom mission artwork - See the marks the many strange villain groups have left upon their surroundings.
- New mission gameplay features - Smash stolen weapons to smithereens. Use teamwork to bypass Crey's security protocols. Seek the key to the Outcasts' inner sanctum - but watch out for the wandering patrols!

Character Features:

- Power Re-specification - The Terra Volta reactor has been running beyond full capacity for quite some time. Heroes who venture within it may experience untold side-effects.
- Capes at level 20 - Only those heroes who prove themselves worthy may wear this symbol of heroic might.
(on the paper it shows 5 pictures of a guy with a cape in mid jump on his way down and how the cape starts over his head as he falls and the cape flows down to his back as he reaches the ground. Pretty cool)
- Effects at level 30 - New visual effects add a whole new dimension to your character.
- Badges - Explore Paragon City and achieve badges to proudly display your accomplishments to other heroes.

Many Quality of Life issues, including:

- Sidekick System - Sidekicking is now easier and more convenient than ever.
- Enhancement Inventory - View, remove and trade enhancements more easily.
- Give - Quick trade Inspirations or Enhancements quickly and easily - even during combat!
- Looking For Groups across zones - Put together a crack team on the fly.
- Teleportation\Resurrection confirmation - Confirmation windows put the power in your hands.
- Email Notification - In game alert when you receive email.
- Change Team Leader - Change your leader after team formation.