Note that the idea of winged death predates Christianity and that Death is shown as being male.
|Heracles fighting death for the life of alkestis from a vase painting possibly depicting the scene from Euripides' play about this legend ?|
|part of a relief from the temple of ephesus thought to depict death note that he has a sword rather than a scythe|
please note the spelling THANATOS
Thanos in Marvel comics is an alien from Titan with an obsession with Death.
No connection with the Titans of Greek Myth !
Thanatos according to Hesiod (Theogony 212) is the child of Night who is the daughter of Chaos (Theogony 123)