Recently 2K Games has revealed all the DLC that will be available for WWE 2k15 . Note, that not all of this DLC will come with the Season Pass. That does mean you will have to purchase certain packs separately. Season Pass holders will be getting a discount on these packs, but what the discount will be is uncertain. You can see all WWE 2k15 DLC below.
Accelerator (Season Pass Content)
Players will gain instant access to all unlockable content available in the game (excluding downloadable content);
The Accelerator will be available for a suggested price of $1.99.
2K Showcase: One More Match (Season Pass Content)
Story focused on the rivalry between WWE Superstars Randy Orton and Christian in 2011;
Playable WWE Superstars: Christian, Randy Orton, Edge, Mark Henry and Sheamus;
Playable arenas from 2011: SmackDown, Extreme Rules, Over the Limit and Capitol Punishment;
2K Showcase: One More Match will be available for a suggested price of $9.99.
2K Showcase: Hall of Pain (Season Pass Content)
Story focused on top matches for WWE Superstar Mark Henry;
Playable WWE Superstars: Mark Henry, Big Show, Kane, Jey Uso, Jimmy Uso, Sheamus, The Great Khali, Randy Orton, Daniel Bryan and Ryback;
Playable arenas: SmackDown (2011), Vengeance (2011) and WrestleMania 29;
2K Showcase: Hall of Pain will be available for a suggested price of $9.99.
2K Showcase: Path of the Warrior (Season Pass Content)
Story focused on the career of WWE Hall of Famer Ultimate Warrior;
Playable WWE Hall of Famers: Ultimate Warrior, Hulk Hogan, Andre the Giant and Sgt. Slaughter;
Playable WWE Legends: Honk y Tonk Man, Rick Rude, Macho King and Colonel Mustafa;
Playable WWE Superstars: Undertaker and Hunter Hearst Helmsley;
Access to WWE Hall of Fame ring announcer Howard Finkel and WWE managers Jimmy Hart, Bobby Heenan, Paul Bearer, Sherri, Sid Justice and General Adnan;
Playable arenas: WrestleMania VI, VII and XII; SummerSlam (1988, 1990 and 1991); Saturday Night’s Main Event XXIV and Madison Square Garden;
2K Showcase: Path of the Warrior will be available for a suggested price of $9.99.
WCW Pack
Playable WCW Superstars: Fit Finlay, Lord Steven Regal, Bam Bam Bigelow, Diamond Dallas Page and Lex Luger;
The WCW Pack will be available for a suggested price of $7.99.
NXT Arrival
Playable NXT Superstars: JBL, Adam Rose and The Ascension (Konnor and Victor);
Playable NXT Diva: Emma;
NXT Arrival will be available for a suggested price of $6.99.
New Moves Pack
Moves Pack: More than 30 new moves, including an alternate version of Sister Abigail (performed from the ring corner and made popular by Bray Wyatt) and Multiple Gut Wrenches (made popular by Cesaro);
The New Moves Pack will be available for a suggested price of $3.99.
Source: Game Informer