EVE Online - 7b ship struggling in L4 Missions

My Marshal faces the Blockade. Didn't go as smoothly as expected. Get 1 mil FREE Skillpoints on a new character: https://eve.online/aceface_skillpoints Fit used: [Marshal, *L4 Marshal] Caldari Navy Ballistic Control System Caldari Navy Ballistic Control System Ballistic Control System II Ballistic Control System II Capacitor Flux Coil II Capacitor Flux Coil II Co-Processor II Republic Fleet Large Cap Battery Pith X-Type X-Large Shield Booster Gist A-Type 500MN Microwarpdrive Multispectrum Shield Hardener II Federation Navy Stasis Webifier Missile Guidance Computer II Missile Guidance…