20 years ago, Jake Gyllenhaal and Heath Ledger received the final callbacks for the exciting upcoming movie "Brokeback Mountain" together. As they were casted for the lead roles of Ennis Del Mar and Jack Twist together, critics started to question how much chemistry they will have as two straight men. As it came out, however, critics praised the movie for their deep connection, but what they weren't aware of was how far their sparks really flew.