Yes, in 'echo 3 true story', 'echo 3' is likely related to the 'true story'. It could be the name or identifier for the events that make up the true story.
In many cases, mange can be cured. The specific cure depends on the type of mange and the affected animal. Common treatments include topical ointments, dips, and sometimes oral medications. Good hygiene and regular vet check-ups also play a role in the recovery process.
It's hard to give a definite answer. Different comic universes and storylines handle the inclusion of Echo differently. You might want to check popular comic franchises or search online for more detailed information.
In most comic versions, Echo isn't deaf. However, there might be alternate or special story arcs where this could potentially be a trait, but it's not a common characteristic.
Sure, Echo is portrayed as deaf in the comics. This trait plays a role in shaping her personality and the challenges she faces throughout the comic series.