Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Issue | Volume | Title | Main Feature Story | First/Early Appearance Story/Stories | Release Date |
| --- | --- | --- | --- | --- | --- |
| 1 | 24 | The Avengers | Ultron Unlimited (Avengers Vol 3 #0 and #19-22) | The Coming Of The Avengers (Avengers Vol 1 #1) | 27 Dec 2013 |
| 2 | 12 | Spider-Man | Happy Birthday (Amazing Spider-Man Vol 2 #57-58 and #500-502). | Spider-Man (Amazing Fantasy #15)\nThe Sinister Six (Amazing Spider-Man Annual #1) | 15 Jan 2014 |
| 3 | 55 | Wolverine | Get Mystique (Wolverine Vol. 3 #62-65) | And Now... The Wolverine (Incredible Hulk #181) | 29 Jan 2014 |
| 4 | 29 | Hawkeye | Hawkeye (Hawkeye Vol.1 #1-4). | Hawkeye, The Marskman (Tales of Suspense #57)\nThe Old Order Changeth (The Avengers Vol.1 #16) | 12 Feb 2014 |
| 5 | 10 | The Hulk | Dogs Of War (The Incredible Hulk volume 2 #12-20) | None | 26 Feb 2014 |
| 6 | 22 | Jean Grey | Here Comes Yesterday (All-New X-Men #1-5) | X-Men Origins: Jean Grey | 12 Mar 2014 |
| 7 | 49 | Power Man | Power Man and Iron Fist #50-53 | Luke Cage #1-3 | 26 Mar 2014 |
| 8 | TBC | Captain America | Captain America #247-255 | ? | 9 Apr 2014 |
| 9 | TBC | Iron Man | The Five Nightmares (Iron Man (Vol. 5) #1-7) | Tales of Suspense #39 | 23 Apr 2014 |
| 10 | TBC | The X-Men | X-Men: Children of the Atom #1-6 | X-Men (Vol. 1) #1 | 7 May 2014 |
| 11 | TBC | Black Widow | TBC | TBC | 21 May 2014 |
| 12 | TBC | The Human Torch (Jim Hammond) | TBC | TBC | 4 June 2014 |
| 13 | TBC | Warriors Three | TBC | TBC | 18 June 2014 |
| 14 | TBC | Cyclops | TBC | TBC | 2 July 2014 |
| 15 | TBC | Captain Marvel | TBC | TBC | 16 July 2014 |
Question:
how many release dates were in april?
Answer:
2