Yes he will be back because if anyone is stupid enough to not believe that is Michael rosenbaum is really dumb. The people making Smallville are trying to keep it a secret that Michael isn't coming back, but he is because then clark won't be superman ever.
no
Dr. Helen Bryce was the one who was responsible for the attempted death of Lex Luthor in Season 3 of Smallville.
Lex Luthor - Smallville - was created in 2001.
Lana's Birthdate
Yes, Lex Luthor returned in the last episode of Smallville which is titled "Finale."
Season 7 was the last season for Michael Rosenbaum and John Glover who respectively portray Lex Luthor and Lionel Luthor.
Lex is just a nickname for Alexander Luthor in Smallville.
Lex Luthor's secret lab in smallville
Michael Rosenbaum is set to play him in the final episode of the series.
In the last episode of Season 10, Lex Luthor lost his memory as a result of Tess Mercer touching him with neurotoxin which was poison that resulted in Lex losing all of his memories prior to Tess putting the neurotoxin on his left cheek.
Michael Rosenbaum is reprising his role for the series finale.
John Glover did not leave Smallville of his own choice the writers of the Smallville series had made the decision to write him out by making it so that his own son; Lex Luthor would murder him however the writers later brought John Glover back in Season 10 as Lionel Luthor but as Lionel Luthor from another alternate reality in which the Luthors were the one who had found and adopted Clark Kent and therefore became Clark Luthor.