Yes, he seems to have dim memories of his life before as well. On a downside the Daphne/Velma thing risks becoming a stuck record, while this is more like how people behave, and there hasn't been much 'real time' between issues 1 and 4 they do need to move this particular plot item along.
Wondering what the next few pages will bring... 1. On seeing the vampire Daphne cries out in alarm and readies her weapon. Velma emerges from the back of the Mystery Machine carrying a different, and improbably large, weapon and the pair of them, with Scooby fight off the vampire horde while Fred and Shaggy sleep like babies only waking when its all over. Having fought side-by-side the girls now have a common bond and they realise they can trust each other.
2. As in Music of the Vampires Daphne is captured by the vampires and taken to their lair, the others locate this, perhaps using Velma's drone then mount a rescue mission. Daphne, on seeing that Velma is willing to risk her life to save her realises she can trust Velma.
3. Daphne, Velma and Scooby have a West Side Story style dance-off with the Vampires.