From Tribal sage's thread
☆☆☆☆☆ GENERAL AND HINTED EVENT INFO ☆☆☆☆☆
Please note that some of these things were hinted at and not definite.
Gaz is dropping 5 randomized "Vibranium Tickets" each valued at $5,000 in real US cash. The the event begins at 12:00 a.m. Eastern Time (“ET”
(6:00 a.m. GMT+2) on July 8, 2015 and ends at 11:59 p.m. ET on August 31, 2015 (5:59 a.m. GMT+2 on September 1, 2015) (“Giveaway Period”
. The drops will be totally random and can drop anytime during this period listed. These tickets can drop anywhere in game and at any level. Any players that have claimed a prize by the start of the MH 2015 panel at San Diego Comic-Con on Friday July 10th 2015 @ 6pm PDT in Room 25ABC will be congratulated publicly by Gaz. Please read the official rules in the link below.
https://marvelheroes.com/content/vibranium-ticket-rules
☯ ANT-MAN ☯
[YT]H3Hs0HU4Ztk[/YT]
☯ WAR MACHINE ☯
ETA: August. He is 50th Hero.
James C Mathis III will be the voice.
War Machine will be Rhodey. His attacks will all be physical and he will have missiles and machine guns(including wrist mounted). It's been mentioned that he may have a heating up mechanic that gains power and can overheat which will cause a cooldown.
War Machine has chainsaws.
☯ MAGIK ☯
Magik is most likely the 12th hero as she is leading by a huge percentage in the 12th hero spot poll.
☆☆☆☆☆ ADVANCED PACK 3 ☆☆☆☆☆
All of the characters from the poll for the AP2 12th spot have been approved by Marvel for playable and the ones that do not make it there a good chance they may be apart of AP3.
☯ GREEN GOBLIN ☯
In the poll for 12th hero spot for AP2.
☯ KAMALA KHAN ☯
In the poll for 12th hero spot for AP2.
☯ NICK FURY ☯
In the poll for 12th hero spot for AP2.
Update 04/25/15 Nick Fury anytime soon? - "I would love to do Nick Fury, there are many designs for him internally. I'm actually recording with Keith David next month, but it's for motion comics and stuff. I would be lying if I didn't tell you I was also recording a playable dialogue, just in case, just in case.... Plus I get to hang out with Keith David which is awesome."
☯ WASP ☯
In the poll for 12th hero spot for AP2.
☯ SPIDER-MAN (MILES MORALES) ☯
In the poll for 12th hero spot for AP2.
☯ CABLE ☯
06/30/15 ETA: The new costume should be ready to ship alongside Cable's level 52 review later this summer. (He is next in line for level 52 and is in progress as we speak) Could be July, depending on how Alpha testing goes. We'll have a better idea after the first round of Alpha testing is complete in a couple of weeks and we see where we stand.
07/06/15 His review should be on TC in about 2 weeks.
Current X-Force - In 2014 it was stated it's on the "to do list".
☯ JEAN GREY ☯
Visual updates revealed at Comic-Con.
New X-Men - Update 05/01/15 ETA: July. 07/10/15 All 3 versions of this costume have been completed.

Queen Goblin - In 2014 it was stated it may be coming in 2015.
Here Comes Tomorrow - In 2014 it was stated they would like to do it at some point.
☯ LOKI ☯
Agent of Asgard - Updated 07/11/15 02/06/15 Revealed at Comic-con.

Kid Loki - On 02/06/15 it was stated it's on the to do list eventually.
☯ ROCKET RACCOON ☯
Symbiote Rocket Raccoon with Symbiote Groot - This will be the next enhanced costume, it won in the poll. On 04/27/15 it was added to a poll along with 4 other costumes that the community will vote on to determine what is the next Enhanced costume would be. As with Movie Star-Lord/Rocket and the Groot Team-Up, Drax/Gamora/Groot Team-Ups would switch to match Symbiote Rocket, only after Symbiote versions of those Team-Ups are made first.
☯ SPIDER-MAN ☯
Battle Damaged Spiderman

Spider Gwen - It's a bonus for those who ordered the Team Up AP2. They will receive it at least one month prior to public release. Update 04/25/15 It was stated that she will be delayed. Her voice is done by Ashley Johnson.

2099 - In 2014 it was stated it will be coming in the future. 02/25/15 No definitive plans for it, specifically not in 2015. On 04/27/15 it was added to a poll along with 4 other costumes that the community will vote on to determine what is the next Enhanced costume would be.
Identity Crisis - In 2014 it was stated there's a good chance for at least 1 of the 4.