Co-Optimus - News - Minecraft's 'Skin Pack 5' Will Include Borderlands 2 and Dead Space 3 Characters
Not sure what other skins will be available in skin pack 4 but the borderlands characters were confirmed on borderlands Facebook page (Second picture in comments) : r/Minecraft360
borderlands | Nova Skin
Steam Community :: Guide :: BORDERLANDS-2 MINECRAFT EASTER EGG:HEADS/SKIN GUIDE
Borderlands and Minecraft Meet Again! - Gearbox Software
borderlands | Nova Skin
Borderlands Minecraft Skins | NameMC
Borderlands Minecraft Skins. Download for free at SuperMinecraftSkins
Borderlands Minecraft Skins | Page 5 | Planet Minecraft Community