Lucina is Chrom's daughter
There are no "Fire Emblem Awakening" games for the Wii or Wii U but there is a FE game for the Original Wii. Fire Emblem 10: Radiant Dawn.
You do, of course
No
Fire Emblem Awakening - 2012 VG was released on: Japan: 19 April 2012 USA: 4 February 2013
Marth is in: Fire Emblem: Ankoku Ryuu to Hikari no Tsurugi Fire Emblem: Monshou no Nazo Fire Emblem: Shadow Dragon Fire Emblem: Shin Monshou no Nazo - Hikari to Kage no Eiyuu He is also 'in' Fire Emblem Awakening, but only is available as add on content
1. Fire Emblem: Ankoku Ryuu to Hikari no Tsurugi 2. Fire Emblem Gaiden 3. Fire Emblem: Monshou no Nazo 4. Fire Emblem: Seisen no Keifu 5. Fire Emblem: Thracia 776 6. Fire Emblem: Fuuin no Tsurugi 7. Fire Emblem: Blazing Sword 8. Fire Emblem: The Sacred Stones 9. Fire Emblem: Path of Radiance 10. Fire Emblem: Radiant Dawn 11. Fire Emblem: Shadow Dragon 12. Fire Emblem: Shin Monshou no Nazo ~Hikari to Kage no Eiyuu~ 13. Fire Emblem Awakening
Marth and Ike are both in the Fire Emblem series, but are not in the same game. Marth is in: Fire Emblem: Ankoku Ryuu to Hikari no Tsurugi Fire Emblem: Monshou no Nazo Fire Emblem: Shadow Dragon Fire Emblem: Shin Monshou no Nazo - Hikari to Kage no Eiyuu while Ike is only in: Fire Emblem: Path of Radiance Fire Emblem: Radiant Dawn Both are also in Fire Emblem Awakening but as add on content
He cannot reclass to become a hero.
Marth and Roy are both from the Fire Emblem series but are in different games. Marth is in: Fire Emblem: Ankoku Ryuu to Hikari no Tsurugi Fire Emblem: Monshou no Nazo Fire Emblem: Shadow Dragon Fire Emblem: Shin Monshou no Nazo - Hikari to Kage no Eiyuu while Roy is only in Fire Emblem: Fuuin no Tsurugi. He is seen in the secret ending of Fire Emblem: Blazing Sword as well. Also, both characters are in Fire Emblem Awakening, but only are available as add on content
Fire Emblem: Awakening is the best game for Nintendo 3DS.
Yes, you can recruit him by having Chrom talk to him three times
No, they do not kill Ike since they do not appear in the same game. They do appear together in Fire Emblem Awakening, but as add on characters and the extra DLC missions are not cannon with the Fire Emblem Universe