Spong held an interview with Martyn Brown from Team 17 who mentioned that some new Worms games will be heading for multiple systems as download content.
Quoting the interview he said:
"There's a bunch of things coming out: there's a new Worms for Wii, and PSP and probably DSi coming down the line as well. All digital. And some other new stuff, off in the distance, which we can't discuss… so… well, it's all non-Worms stuff as well."
After the release of Worms on iPhone and iPod Touch it seems like Team 17 continues the digital distribution and will set up some new Worms games, soon.
At this time there is no official announcement but can be expected anytime soon.