On April 14/15, 2014, Sony Computer Entertainment America filed in the US two trademarks via the USPTO for "Entwined" respectively "Kill Strain". They entered the Trademark Reporting and Monitoring System (TRAM) on April 17/18. They're basic 1(b) Intent-to-Use filings for game software
http://www.neogaf.com/forum/showthread.php?t=804606
A part of Sony's 'bonkers' E3 lineup?
Entwined and Kill Strain are both intended to be used for game software. More specifically, the two trademarks pertain to “Computer game software; Downloadable computer game software via a global computer network and wireless devices; Video game software”.
http://gamingeverything.com/sony-files-trademarks-for-entwined-and-kill-strain/