Dr.Manhattan already saw that the current timeline has no future. That's why Saturn Girl (who is from 30th century) disappeared. But Johny Thunder (the old man) is from past Golden age (of Comics, 1938 - 1950) which doesn't exist because the history was modified. Yet, he exists as an anomaly.
ഫെഡറേറ്റഡ് സോഷ്യൽ വെബ്ബിലെ മലയാളിക്കൂട്ടം.