Lex Luthor does some pretty crazy things as Batman v Superman: Dawn of Justice progresses, so when we sat down with the man who plays him - Jesse Eisenberg - we asked why the supervillain behaves the way he does at the end of the film.

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So if you haven't seen BvS,We caught up with Eisenberg at the film's London junket, and asked him just what Lex was thinking when he created Doomsday.“I think Lex becomes increasingly unhinged throughout the movie” he explained. “I also think he’s a guy who has 40 back-up plans and so when one thing doesn’t work out he has another and if that doesn’t work out he has another, which is why I think he never feels that threatened by Superman and Batman because he knows he always has the leverage and his final act, in my opinion; and this is now thinking back a year-and-a-half – was this kind of like last-ditch effort to leave it all on the table.”So do you think there was method in Luthor’s madness when he created Doomsday? Let us know in the comments below.

Chris Tilly is the Entertainment Editor for IGN in the UK and still doesn't think this was much of a plan. He can be found talking nonsense on The Superhero Show and Twitter