Marvel Heroes 2015 End of Anniversary Event Announced!

Here's the list of events that make up the Epic Twelve celebration this weekend:

Return of the Reaper - Every few hours, a different game mode will have increased loot, rotating between Terminals, Midtown, and X-Defense and Holo-Sim.
Legendary BOGO - BOGO for heroes and costumes are back along with a 15% bonus G sale.
Even More Cowbell - Log in on Saturday, 6/28 for a Cosmic Cow King Crate. Loot for the Bovineheim and Confidential Bovine Sector will also be increased!
Devs with Benefits - Play with the devs, ask them questions & receive codes for mystery gifts.
Runes Reloaded - Drop rates for the rarest of runes have been increased as well as sale values.
World Cup Fever - Collect flags from the various World Cup countries for a special item.
Cosmic Chaos - Cosmic Doop spawn rate has been increased and will drop random a Cosmic Medallion and Cosmic Ring. Cosmic Penta Boosts also make a comeback in the store.
Summer BBQ - Collect summer BBQ drops including hot dogs and Omega Red Ketchup.
Alpha Omega - Earn more Omega Orbs as rewards for Shared Quests are tripled and are 10% easier to acquire. Log in each day to receive an extra Omega Orb.
Teamwork 101 - Team Insignias drop rates will be increased, Team-Up Heroes will deal increased damage and all Team-Up Heroes prices will be 20% off! Log in each day and receive an Epic S.H.I.E.L.D. Team-Up gear.
Accidents Happen - Server side rarity boost will have a few unexpected increases at random times through each day, lasting anywhere from 10 to 30 minutes.
Old School - Hero Tokens for any hero have a small chance of dropping across the game.