The phrase "that will be exciting" is correct and usable in written English.
You can use it when you want to express that a future event or situation is likely to be enjoyable. For example: "We are going to the beach this weekend, that will be exciting!".
"This young staff will help give us a team that will be exciting to watch.
We also discuss which reactions are likely to provide good material for plots of movies that will be exciting for future generations of surface scientists.
"We've been developing the product really hand-in-hand with these digitally-born creators, and we spent some extra time working with them on features that will be exciting for their superfans," CEO Sam Rogoway told the Guardian.
Well, for one, most of the features that will be exciting on the new iPhones are actually just part of iOS 8 – the latest update to Apple's mobile operating system – and this will be coming as free upgrade to all iPhones from the 4s onwards from September 17.
This is of a piece with the relatively less complex and more promotional nature of these films — the transformation we're talking about here is the standard one involving money and fame, and the two movies tick off the highlights of their subjects' careers in a turbocharged manner that will be exciting for aficionados but possibly monotonous for anyone else.
If you want to see something different, be challenged, be pushed, then we're trying to create something that will be exciting for you.
"In the next three or four years, they'll all be coming towards a time that'll be exciting for Kent cricket".
Charles Bradley has never performed with Soulive before, so that'll be exciting because I'm a huge fan.
I am now working as an assistant director, hoping that I will someday be able to direct a play, maybe even at the National Theatre, that will be as exciting as the performance of Harper Regan, [the one] that made me fall in love with theatre and British theatre in particular.
Foster and Partners is designing three structures that will be new and exciting; the new Wembley, the Millennium Bridge across the Thames to Tate Modern and the new mayor's headquarters next to Tower Bridge.
