Just days after Apple confirmed its March 25th "show time" event by sending out invites to members of the press, a new Bloomberg report helps to shed light on Apple's short-term plans for its TV service. Although the iPhone maker is expected to finally debut its long-awaited Netflix rival at the event, a majority of the content available on the service at launch will be from third-party content providers -- not from Apple itself.In fact, according to Bloomberg, "the first slew of releases" won't hit the service until much later in 2019, as most of them are still in development. Presumably, the shows Apple has already released on Apple Music, such as Carpool Karaoke and Planet of the Apps, will be on the streaming service, but that isn't clear.In the meantime, Apple is desperately working to fill out its content library ahead of launch, going so far as to "[offer] concessions to get deals done by a Friday deadline." Apple is in talks with HBO, S...